Otto Hahn
1879 - 1968 (89 years)
Otto Hahn was a German chemist who was a pioneer in the fields of radioactivity and radiochemistry. He is referred to as the father of nuclear chemistry and godfather of nuclear fission. Hahn and Lise Meitner discovered radioactive isotopes of radium, thorium, protactinium and uranium. He also discovered the phenomena of atomic recoil and nuclear isomerism, and pioneered rubidium–strontium dating. In 1938, Hahn, Lise Meitner and Fritz Strassmann discovered nuclear fission, for which Hahn received the 1944 Nobel Prize for Chemistry. Nuclear fission was the basis for nuclear reactors and nuclea...
Go to ProfileJustus von Liebig
1803 - 1873 (70 years)
Justus Freiherr von Liebig was a German scientist who made major contributions to agricultural and biological chemistry, and is considered one of the principal founders of organic chemistry. As a professor at the University of Giessen, he devised the modern laboratory-oriented teaching method, and for such innovations, he is regarded as one of the greatest chemistry teachers of all time. He has been described as the "father of the fertilizer industry" for his emphasis on nitrogen and trace minerals as essential plant nutrients, and his formulation of the law of the minimum, which described ho...
Go to ProfileFriedrich Wöhler
1800 - 1882 (82 years)
Friedrich Wöhler FRS HFRSE was a German chemist, known for his work in inorganic chemistry, being the first to isolate the chemical elements beryllium and yttrium in pure metallic form. He was the first to prepare several inorganic compounds including silane and silicon nitride.
Go to ProfileGilbert N. Lewis
1875 - 1946 (71 years)
Gilbert Newton Lewis or was an American physical chemist and a Dean of the College of Chemistry at University of California, Berkeley. Lewis was best known for his discovery of the covalent bond and his concept of electron pairs; his Lewis dot structures and other contributions to valence bond theory have shaped modern theories of chemical bonding. Lewis successfully contributed to chemical thermodynamics, photochemistry, and isotope separation, and is also known for his concept of acids and bases. Lewis also researched on relativity and quantum physics, and in 1926 he coined the term "pho...
Go to ProfileLinus Pauling
1901 - 1994 (93 years)
Linus Carl Pauling was an American chemist, biochemist, chemical engineer, peace activist, author, and educator. He published more than 1,200 papers and books, of which about 850 dealt with scientific topics. New Scientist called him one of the 20 greatest scientists of all time, and as of 2000, he was rated the 16th most important scientist in history. For his scientific work, Pauling was awarded the Nobel Prize in Chemistry in 1954. For his peace activism, he was awarded the Nobel Peace Prize in 1962. He is one of four people to have won more than one Nobel Prize . Of these, he is the only...
Go to ProfileSvante Arrhenius
1859 - 1927 (68 years)
Svante August Arrhenius was a Swedish scientist. Originally a physicist, but often referred to as a chemist, Arrhenius was one of the founders of the science of physical chemistry. He received the Nobel Prize for Chemistry in 1903, becoming the first Swedish Nobel laureate. In 1905, he became director of the Nobel Institute, where he remained until his death.
Go to ProfileFritz Haber
1868 - 1934 (66 years)
Fritz Haber was a German chemist who received the Nobel Prize in Chemistry in 1918 for his invention of the Haber–Bosch process, a method used in industry to synthesize ammonia from nitrogen gas and hydrogen gas. This invention is of importance for the large-scale synthesis of fertilizers and explosives. It is estimated that two thirds of annual global food production uses nitrogen from the Haber–Bosch process, and that this supports nearly half the world population. Haber, along with Max Born, proposed the Born–Haber cycle as a method for evaluating the lattice energy of an ionic solid. Habe...
Go to ProfileDmitri Mendeleev
1834 - 1907 (73 years)
Dmitri Ivanovich Mendeleev (1834–1907) was a Russian chemist, who is often considered the principal discoverer of the Periodic Table of the Elements—perhaps the single most-important, unifying idea in the field of chemistry, as well as one of the most recognizable icons in all of science. Mendeleev (in older literature, the name is usually transliterated as “Mendeleyev”) was born in Verkhnie Aremzyani, a village near Tobolsk, in Siberia. His father was a schoolmaster and sometime secondary school philosophy professor. His grandfather was a Russian Orthodox priest. He was the youngest of 14 brothers and sisters who survived early infancy.
Go to ProfileAntoine Lavoisier
1743 - 1794 (51 years)
Antoine-Laurent de Lavoisier , also Antoine Lavoisier after the French Revolution, was a French nobleman and chemist who was central to the 18th-century chemical revolution and who had a large influence on both the history of chemistry and the history of biology. It is generally accepted that Lavoisier's great accomplishments in chemistry stem largely from his changing the science from a qualitative to a quantitative one. Lavoisier is most noted for his discovery of the role oxygen plays in combustion. He recognized and named oxygen and hydrogen , and opposed the phlogiston theory. Lavoisier ...
Go to ProfileRobert Bunsen
1811 - 1898 (87 years)
Robert Wilhelm Eberhard Bunsen was a German chemist. He investigated emission spectra of heated elements, and discovered caesium and rubidium with the physicist Gustav Kirchhoff. The Bunsen–Kirchhoff Award for spectroscopy is named after Bunsen and Kirchhoff.
Go to ProfileAdolf von Baeyer
1835 - 1917 (82 years)
Johann Friedrich Wilhelm Adolf von Baeyer was a German chemist who synthesised indigo and developed a nomenclature for cyclic compounds . He was ennobled in the Kingdom of Bavaria in 1885 and was the 1905 recipient of the Nobel Prize in Chemistry.
Go to ProfileRoald Hoffmann
1937 - Present (85 years)
Hoffman is the Frank H. T. Rhodes Professor of Humane Letters, Emeritus, at Cornell University, in Ithaca, New York. He received his Bachelor of Arts degree at Columbia University in 1958. He earned his Master of Arts degree from Harvard University in 1960. He also received his Ph.D. from Harvard University. Hoffman won the Nobel Prize in Chemistry in 1981. Hoffman, a Holocaust survivor, has had an amazing academic and research career in chemistry in the United States. His primary focus has been on the important topic of molecular orbital theory, in particular of polyhedral molecules, which have important applications in a number of areas in physics and chemistry.
Go to ProfileNiels Bohr
1885 - 1962 (77 years)
Niels Henrik David Bohr was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922. Bohr was also a philosopher and a promoter of scientific research.
Go to ProfileAugust Wilhelm von Hofmann
1818 - 1892 (74 years)
August Wilhelm von Hofmann was a German chemist who made considerable contributions to organic chemistry. His research on aniline helped lay the basis of the aniline-dye industry, and his research on coal tar laid the groundwork for his student Charles Mansfield's practical methods for extracting benzene and toluene and converting them into nitro compounds and amines. Hofmann's discoveries include formaldehyde, hydrazobenzene, the isonitriles, and allyl alcohol. He prepared three ethylamines and tetraethylammonium compounds and established their structural relationship to ammonia.
Go to ProfileErnest Rutherford
1871 - 1937 (66 years)
Ernest Rutherford, 1st Baron Rutherford of Nelson, was a New Zealand physicist who came to be known as the father of nuclear physics. Encyclopædia Britannica considers him to be the greatest experimentalist since Michael Faraday . Apart from his work in his homeland, he spent a substantial amount of his career abroad, in both Canada and the United Kingdom.
Go to ProfileIrving Langmuir
1881 - 1957 (76 years)
Irving Langmuir was an American chemist, physicist, and engineer. He was awarded the Nobel Prize in Chemistry in 1932 for his work in surface chemistry. Langmuir's most famous publication is the 1919 article "The Arrangement of Electrons in Atoms and Molecules" in which, building on Gilbert N. Lewis's cubical atom theory and Walther Kossel's chemical bonding theory, he outlined his "concentric theory of atomic structure". Langmuir became embroiled in a priority dispute with Lewis over this work; Langmuir's presentation skills were largely responsible for the popularization of the theory, although the credit for the theory itself belongs mostly to Lewis.
Go to ProfileIsaac Newton
1642 - 1727 (85 years)
Sir Isaac Newton was an English mathematician, physicist, astronomer, alchemist, theologian, and author widely recognised as one of the greatest mathematicians and physicists of all time and among the most influential scientists. He was a key figure in the philosophical revolution known as the Enlightenment. His book Philosophiæ Naturalis Principia Mathematica , first published in 1687, established classical mechanics. Newton also made seminal contributions to optics, and shares credit with German mathematician Gottfried Wilhelm Leibniz for developing infinitesimal calculus.
Go to ProfileWalther Nernst
1864 - 1941 (77 years)
Walther Hermann Nernst was a German chemist known for his work in thermodynamics, physical chemistry, electrochemistry, and solid state physics. His formulation of the Nernst heat theorem helped pave the way for the third law of thermodynamics, for which he won the 1920 Nobel Prize in Chemistry. He is also known for developing the Nernst equation in 1887.
Go to ProfileErich Hückel
1896 - 1980 (84 years)
Erich Armand Arthur Joseph Hückel was a German physicist and physical chemist. He is known for two major contributions:The Debye–Hückel theory of electrolytic solutionssThe Hückel method of approximate molecular orbital calculations on π electron systems.Hückel was born in the Charlottenburg suburb of Berlin. He studied physics and mathematics from 1914 to 1921 at the University of Göttingen.
Go to ProfileWilhelm Ostwald
1853 - 1932 (79 years)
Friedrich Wilhelm Ostwald was a Baltic German chemist and philosopher. Ostwald is credited with being one of the founders of the field of physical chemistry, with Jacobus Henricus van 't Hoff, Walther Nernst, and Svante Arrhenius. He received the Nobel Prize in Chemistry in 1909 for his scientific contributions to the fields of catalysis, chemical equilibria and reaction velocities.
Go to ProfileRobert Boyle
1627 - 1691 (64 years)
Robert Boyle was an Anglo-Irish natural philosopher, chemist, physicist, and inventor. Boyle is largely regarded today as the first modern chemist, and therefore one of the founders of modern chemistry, and one of the pioneers of modern experimental scientific method. He is best known for Boyle's law, which describes the inversely proportional relationship between the absolute pressure and volume of a gas, if the temperature is kept constant within a closed system. Among his works, The Sceptical Chymist is seen as a cornerstone book in the field of chemistry. He was a devout and pious Anglic...
Go to ProfileMarie Curie
1867 - 1934 (67 years)
Marie Salomea Skłodowska Curie was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity. She was the first woman to win a Nobel Prize, the first person and the only woman to win the Nobel Prize twice, and the only person to win the Nobel Prize in two scientific fields. Her husband, Pierre Curie, was a co-winner on her first Nobel Prize, making them the first ever married couple to win the Nobel Prize and launching the Curie family legacy of five Nobel Prizes. She was, in 1906, the first woman to become a professor at the University of Paris.
Go to ProfileJacobus Henricus van 't Hoff
1852 - 1911 (59 years)
Jacobus Henricus "Henry" van 't Hoff Jr. was a Dutch physical chemist. A highly influential theoretical chemist of his time, Van 't Hoff was the first winner of the Nobel Prize in Chemistry. His pioneering work helped found the modern theory of chemical affinity, chemical equilibrium, chemical kinetics, and chemical thermodynamics. In his 1874 pamphlet Van 't Hoff formulated the theory of the tetrahedral carbon atom and laid the foundations of stereochemistry. In 1875, he predicted the correct structures of allenes and cumulenes as well as their axial chirality. He is also widely considered o...
Go to ProfileMichael Faraday
1791 - 1867 (76 years)
Michael Faraday was an English scientist who contributed to the study of electromagnetism and electrochemistry. His main discoveries include the principles underlying electromagnetic induction, diamagnetism and electrolysis.
Go to ProfileJohn Dalton
1766 - 1844 (78 years)
John Dalton was an English chemist, physicist and meteorologist. He is best known for introducing the atomic theory into chemistry, and for his research into colour blindness, sometimes referred to as Daltonism in his honour.
Go to ProfileJohn Pople
1925 - 2004 (79 years)
Sir John Anthony Pople was a British theoretical chemist who was awarded the Nobel Prize in Chemistry with Walter Kohn in 1998 for his development of computational methods in quantum chemistry. Early life and education Pople was born in Burnham-on-Sea, Somerset, and attended the Bristol Grammar School. He won a scholarship to Trinity College, Cambridge, in 1943. He received his Bachelor of Arts degree in 1946. Between 1945 and 1947 he worked at the Bristol Aeroplane Company. He then returned to the University of Cambridge and was awarded his PhD in mathematics in 1951 on lone pair electrons.
Go to ProfileRichard Abegg
1869 - 1910 (41 years)
Richard Wilhelm Heinrich Abegg was a German chemist and pioneer of valence theory. He proposed that the difference of the maximum positive and negative valence of an element tends to be eight. This has come to be known as Abegg's rule. He was a gas balloon enthusiast, which caused his death at the age of 41 when he crashed in his balloon in Silesia.
Go to ProfileLouis Pasteur
1822 - 1895 (73 years)
Louis Pasteur was a French chemist and microbiologist renowned for his discoveries of the principles of vaccination, microbial fermentation, and pasteurization. His research in chemistry led to remarkable breakthroughs in the understanding of the causes and preventions of diseases, which laid down the foundations of hygiene, public health and much of modern medicine. His works are credited to saving millions of lives through the developments of vaccines for rabies and anthrax. He is regarded as one of the founders of modern bacteriology and has been honoured as the "father of bacteriology" a...
Go to ProfileJöns Jacob Berzelius
1779 - 1848 (69 years)
Baron Jöns Jacob Berzelius was a Swedish chemist. Berzelius is considered, along with Robert Boyle, John Dalton, and Antoine Lavoisier, to be one of the founders of modern chemistry. Berzelius became a member of the Royal Swedish Academy of Sciences in 1808 and served from 1818 as its principal functionary. He is known in Sweden as the "Father of Swedish Chemistry". Berzelius Day is celebrated on 20 August in honour of him.
Go to ProfileJean-Marie Lehn
1939 - Present (83 years)
Lehn is Professor of Chemistry at the University of Strasbourg’s Institute of Advanced Study (USIAS), as well as Chair of Chemistry of Complex Systems. He is also a member of the Reliance Innovation Council of Reliance Industries Limited, India. Lehn studied philosophy and chemistry at the University of Strasbourg, receiving his undergraduate degree in chemistry, and later his Ph.D. Lehn’s interests are primarily in organic chemistry, where he has explored supramolecular chemistry, or the study of how multiple molecules can lock or combine—in fact, the term “supramolecular” is due to Lehn. ...
Go to ProfilePaul Flory
1910 - 1985 (75 years)
Paul John Flory was an American chemist and Nobel laureate who was known for his work in the field of polymers, or macromolecules. He was a leading pioneer in understanding the behavior of polymers in solution, and won the Nobel Prize in Chemistry in 1974 "for his fundamental achievements, both theoretical and experimental, in the physical chemistry of macromolecules".
Go to ProfileRichard Smalley
1943 - 2005 (62 years)
Richard Errett Smalley was the Gene and Norman Hackerman Professor of Chemistry and a Professor of Physics and Astronomy at Rice University. In 1996, along with Robert Curl, also a professor of chemistry at Rice, and Harold Kroto, a professor at the University of Sussex, he was awarded the Nobel Prize in Chemistry for the discovery of a new form of carbon, buckminsterfullerene, also known as buckyballs. He was an advocate of nanotechnology and its applications.
Go to ProfileLise Meitner
1878 - 1968 (90 years)
Elise Meitner was a leading Austrian-Swedish physicist who was one of those responsible for the discovery of the element protactinium and nuclear fission. While working at the Kaiser Wilhelm Institute on radioactivity, she discovered the radioactive isotope protactinium-231 in 1917. In 1938, Meitner and her nephew, the physicist Otto Robert Frisch, discovered nuclear fission. She was praised by Albert Einstein as the "German Marie Curie".
Go to ProfileDonald J. Cram
1919 - 2001 (82 years)
Donald James Cram was an American chemist who shared the 1987 Nobel Prize in Chemistry with Jean-Marie Lehn and Charles J. Pedersen "for their development and use of molecules with structure-specific interactions of high selectivity." They were the founders of the field of host–guest chemistry.
Go to ProfileCarl Djerassi
1923 - 2015 (92 years)
Carl Djerassi was an Austrian-born Bulgarian-American pharmaceutical chemist, novelist, playwright and co-founder of Djerassi Resident Artists Program with Diane Wood Middlebrook. He is best known for his contribution to the development of oral contraceptive pillss, nicknamed the father of the pill.
Go to ProfileVladimir Prelog
1906 - 1998 (92 years)
Vladimir Prelog ForMemRS was a Croatian-Swiss organic chemist who received the 1975 Nobel Prize in chemistry for his research into the stereochemistry of organic molecules and reactions. Prelog was born and grew up in Sarajevo. He lived and worked in Prague, Zagreb and Zürich during his lifetime.
Go to ProfileAlfred Werner
1866 - 1919 (53 years)
Alfred Werner was a Swiss chemist who was a student at ETH Zurich and a professor at the University of Zurich. He won the Nobel Prize in Chemistry in 1913 for proposing the octahedral configuration of transition metal complexes. Werner developed the basis for modern coordination chemistry. He was the first inorganic chemist to win the Nobel prize, and the only one prior to 1973.
Go to ProfileHumphry Davy
1778 - 1829 (51 years)
Sir Humphry Davy, 1st Baronet, was an English chemist and inventor from Cornwall who invented the Davy lamp and a very early form of arc lamp. He is also remembered for isolating, by using electricity, a series of elements for the first time: potassium and sodium in 1807 and calcium, strontium, barium, magnesium and boron the following year, as well as for discovering the elemental nature of chlorine and iodine. Davy also studied the forces involved in these separations, inventing the new field of electrochemistry. Davy is also credited to have been the first to discover clathrate hydrates i...
Go to ProfileAugust Kekulé
1829 - 1896 (67 years)
Friedrich August Kekulé, later Friedrich August Kekule von Stradonitz , was a German organic chemist. From the 1850s until his death, Kekulé was one of the most prominent chemists in Europe, especially in theoretical chemistry. He was the principal founder of the theory of chemical structure and in particular the Kekulé structure of benzene.
Go to ProfileKarl Ziegler
1898 - 1973 (75 years)
Karl Waldemar Ziegler was a German chemist who won the Nobel Prize in Chemistry in 1963, with Giulio Natta, for work on polymers. The Nobel Committee recognized his "excellent work on organometallic compounds [which]...led to new polymerization reactions and ... paved the way for new and highly useful industrial processes". He is also known for his work involving free-radicals, many-membered rings, and organometallic compounds, as well as the development of Ziegler–Natta catalyst. One of many awards Ziegler received was the Werner von Siemens Ring in 1960 jointly with Otto Bayer and Walter Re...
Go to ProfileHerbert C. Brown
1912 - 2004 (92 years)
Herbert Charles Brown was an American chemist and recipient of the 1979 Nobel Prize in Chemistry for his work with organoboranes. Life and career Brown was born Herbert Brovarnik in London, to Ukrainian Jewish immigrants from Zhitomir, Pearl and Charles Brovarnik, a hardware store manager and carpenter. His family moved to Chicago in June 1914, when he was two years old. Brown attended Crane Junior College in Chicago, where he met Sarah Baylen, whom he would later marry. The college was under threat of closing, and Brown and Baylen transferred to Wright Junior College. In 1935 he left Wri...
Go to ProfileHermann Staudinger
1881 - 1965 (84 years)
Hermann Staudinger was a German organic chemist who demonstrated the existence of macromolecules, which he characterized as polymers. For this work he received the 1953 Nobel Prize in Chemistry. He is also known for his discovery of ketenes and of the Staudinger reaction. Staudinger, together with Leopold Ružička, also elucidated the molecular structures of pyrethrin I and II in the 1920s, enabling the development of pyrethroid insecticides in the 1960s and 1970s.
Go to ProfileRobert Burns Woodward
1917 - 1979 (62 years)
Robert Burns Woodward was an American organic chemist. He is considered by many to be the most preeminent synthetic organic chemist of the twentieth century, having made many key contributions to the subject, especially in the synthesis of complex natural products and the determination of their molecular structure. He also worked closely with Roald Hoffmann on theoretical studies of chemical reactions. He was awarded the Nobel Prize in Chemistry in 1965.
Go to ProfileWalter Kohn
1923 - 2016 (93 years)
Walter Kohn was an Austrian-American theoretical physicist and theoretical chemist. He was awarded, with John Pople, the Nobel Prize in Chemistry in 1998. The award recognized their contributions to the understandings of the electronic properties of materials. In particular, Kohn played the leading role in the development of density functional theory, which made it possible to calculate quantum mechanical electronic structure by equations involving the electronic density . This computational simplification led to more accurate calculations on complex systems as well as many new insights, and ...
Go to ProfileJoseph Priestley
1733 - 1804 (71 years)
Joseph Priestley was an English chemist, natural philosopher, separatist theologian, grammarian, multi-subject educator, and liberal political theorist who published over 150 works. He has historically been credited with the independent discovery of oxygen in 1774 by the thermal decomposition of mercuric oxide, having isolated it. Although Swedish chemist Carl Wilhelm Scheele also has strong claims to the discovery, Priestley published his findings first. Scheele discovered it by heating potassium nitrate, mercuric oxide, and many other substances in about 1772.
Go to ProfileJean-Baptiste Dumas
1800 - 1884 (84 years)
Jean Baptiste André Dumas was a French chemist, best known for his works on organic analysis and synthesis, as well as the determination of atomic weights and molecular weights by measuring vapor densities. He also developed a method for the analysis of nitrogen in compounds.
Go to ProfileJames Franck
1882 - 1964 (82 years)
James Franck was a German physicist who won the 1925 Nobel Prize for Physics with Gustav Hertz "for their discovery of the laws governing the impact of an electron upon an atom". He completed his doctorate in 1906 and his habilitation in 1911 at the Frederick William University in Berlin, where he lectured and taught until 1918, having reached the position of professor extraordinarius. He served as a volunteer in the German Army during World War I. He was seriously injured in 1917 in a gas attack and was awarded the Iron Cross 1st Class.
Go to ProfilePaul Ehrlich
1854 - 1915 (61 years)
Paul Ehrlich was a Nobel Prize-winning German physician and scientist who worked in the fields of hematology, immunology, and antimicrobial chemotherapy. Among his foremost achievements were finding a cure for syphilis in 1909 and inventing the precursor technique to Gram staining bacteria. The methods he developed for staining tissue made it possible to distinguish between different types of blood cells, which led to the ability to diagnose numerous blood diseases.
Go to ProfileJohannes Nicolaus Brønsted
1879 - 1947 (68 years)
Johannes Nicolaus Brønsted was a Danish physical chemist, who developed the Brønsted–Lowry acid–base theory simultaneously with and independently of Martin Lowry. Biography Brønsted was born in Varde, Denmark on 22 February 1879. His mother died shortly after his birth and at the age of 14, Brønsted lost his father and moved to Copenhagen with his older sister and his stepmother. In 1897, Brønsted began his studies as a chemical engineer at the Polytechnic Institute in Copenhagen. After his first degree, Brønsted changed fields and received his magister degree in chemistry in 1902 from the University of Copenhagen.
Go to ProfileWallace Carothers
1896 - 1937 (41 years)
Wallace Hume Carothers was an American chemist, inventor and the leader of organic chemistry at DuPont, who was credited with the invention of nylon. Carothers was a group leader at the DuPont Experimental Station laboratory, near Wilmington, Delaware, where most polymer research was done. Carothers was an organic chemist who, in addition to first developing nylon, also helped lay the groundwork for neoprene. After receiving his Ph.D., he taught at several universities before he was hired by DuPont to work on fundamental research.
Go to Profile