#10751
Meton of Athens
500 BC - 460 BC (40 years)
Meton of Athens was a Greek mathematician, astronomer, geometer, and engineer who lived in Athens in the 5th century BC. He is best known for calculations involving the eponymous 19-year Metonic cycle, which he introduced in 432 BC into the lunisolar Attic calendar. Euphronios says that Colonus was Meton's deme.
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John Henry Manley
1907 - 1990 (83 years)
John Henry Manley was an American physicist who worked with J. Robert Oppenheimer at the University of California, Berkeley before becoming a group leader during the Manhattan Project. Biography He was born in 1907 in Harvard, Illinois. He graduated with a BS from the University of Illinois in 1929 and received his PhD in physics from the University of Michigan in 1934. He was a lecturer at Columbia University and later a professor at the University of Illinois from 1937 to 1942. He married Kathleen , and had two daughters Kim and Kathleen.
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John Keill
1671 - 1721 (50 years)
John Keill FRS was a Scottish mathematician, natural philosopher, and cryptographer who was an important defender of Isaac Newton. Biography Keill was born in Edinburgh, Scotland on 1 December 1671. His father was Robert Keill, an Edinburgh lawyer. His mother was Sarah Cockburn. His brother, James Keill, became a noted physician.
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David Gregory
1659 - 1708 (49 years)
David Gregory FRS was a Scottish mathematician and astronomer. He was professor of mathematics at the University of Edinburgh, and later Savilian Professor of Astronomy at the University of Oxford, and a proponent of Isaac Newton's Principia.
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Albert Potter Wills
1873 - 1937 (64 years)
Albert Potter Wills was an American physicist who researched magnetic materials and was the PhD advisor of the Nobel Prize winner Isidor Isaac Rabi. During his career he investigated magnetic susceptibilities, magnetic shielding, magnetostriction, conduction of electricity through mercury vapor, and hydrodynamics. He also wrote a textbook on vector analysis.
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Joseph Petzval
1807 - 1891 (84 years)
Joseph Petzval was a mathematician, inventor, and physicist best known for his work in optics. He was born in the town of Szepesbéla in the Kingdom of Hungary . Petzval studied and later lectured at the Institutum Geometricum in Buda . He headed the Institute of Practical Geometry and Hydrology/Architecture between 1841 and 1848. Later in life, he accepted an appointment to a chair of mathematics at the University of Vienna. Petzval became a member of the Hungarian Academy of Sciences in 1873.
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Thomas Andrews
1813 - 1885 (72 years)
Thomas Andrews FRS FRSE was an Irish chemist and physicist who did important work on phase transitions between gases and liquids. He was a longtime professor of chemistry at Queen's University of Belfast.
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Félix Tisserand
1845 - 1896 (51 years)
François Félix Tisserand was a French astronomer. Life Tisserand was born at Nuits-Saint-Georges, Côte-d'Or. In 1863 he entered the École Normale Supérieure, and on leaving he went for a month as professor at the lycée at Metz. Urbain Le Verrier offered him a post in the Paris Observatory, which he entered as astronome adjoint in September 1866. In 1868 he took his doctor's degree with a thesis on Delaunay's Method, which he showed to be of much wider scope than had been contemplated by its inventor. Shortly afterwards he went out to Kra Isthmus with Édouard Stephan and Georges Rayet to observe the 1868 solar eclipse.
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Felix Auerbach
1856 - 1933 (77 years)
Felix Auerbach was a German physicist. Life Auerbach was born in Breslau on 12 November 1856. His father, Leopold Auerbach, was a respected physician and professor of medicine at the University of Breslau. His mother was Arabella Auerbach, née Hess. From her, he acquired the talent and love for music that accompanied him throughout his life. Felix was the eldest of six siblings. The chemist, Friedrich Auerbach , and Wroclaw pianist, Max Auerbach were his younger brothers.
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William D. Coolidge
1873 - 1975 (102 years)
William David Coolidge was an American physicist and engineer, who made major contributions to X-ray machines. He was the director of the General Electric Research Laboratory and a vice-president of the corporation. He was also famous for the development of "ductile tungsten", which is important for the incandescent light bulb.
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Carl Wolfgang Benjamin Goldschmidt
1807 - 1851 (44 years)
Carl Wolfgang Benjamin Goldschmidt was a German astronomer, mathematician, and physicist of Jewish descent who was a professor of astronomy at the University of Göttingen. He is also known as Benjamin Goldschmidt, C. W. B. Goldschmidt, Carl Goldschmidt, and Karl Goldschmidt.
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Frank Schlesinger
1871 - 1943 (72 years)
Frank Schlesinger was an American astronomer. His work concentrated on using photographic plates rather than direct visual studies for astronomical research. Biography Schlesinger was born in New York City and attended public schools there. He graduated from the College of the City of New York in 1890. He then worked as a surveyor, becoming a special student in astronomy at Columbia in 1894. In 1896, he received a fellowship which enabled him to study full-time, and he received a PhD in 1898. After his graduation, he spent the summer at Yerkes Observatory as a volunteer assisting director George Ellery Hale.
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Ștefania Mărăcineanu
1882 - 1944 (62 years)
Ștefania Mărăcineanu was a Romanian physicist. She worked with Marie Curie studying the element named for Curie's homeland Polonium. She made proposals that would lead to Irène Joliot-Curie's Nobel Prize. Mărăcineanu believed that Joliot-Curie had taken her work on Induced radioactivity to gain the prize.
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Arthur Robert Hinks
1873 - 1945 (72 years)
Arthur Robert Hinks, CBE, FRS was a British astronomer and geographer. As an astronomer, he is best known for his work in determining the distance from the Sun to the Earth from 1900 to 1909: for this achievement, he was awarded the Gold Medal of the Royal Astronomical Society and was elected a fellow of the Royal Society. His later professional career was in surveying and cartography, an extension of his astronomical interests.
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Gunnar Malmquist
1893 - 1982 (89 years)
Karl Gunnar Malmquist was a Swedish astronomer. Biography Gunnar Malmquist was born in Ystad, where he completed his secondary school education before matriculating at the Lund University in 1911. He received his Ph.D. in 1921, was an amanuensis at the Lund Observatory 1915-1920 and a docent from 1920. He continued to work at the observatory in Lund until 1929, was observator at the Stockholm Observatory and taught at the Stockholm University College 1930-1939, and was Professor of Astronomy at the Uppsala University from 1939 until his retirement in 1959.
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Zvonimir Richtmann
1901 - 1941 (40 years)
Zvonimir Richtmann was a Croatian-Jewish physicist, philosopher, politician and publicist who was killed during World War II by Ustaše. Biography Richtmann was born on 22 November 1901 in Zagreb, where he achieved his education. He studied at the Vienna University of Technology from where he graduated in 1925, and at the Faculty of Humanities and Social Sciences, University of Zagreb which he finished and graduated from in 1932. After graduation, Richtmann taught as a professor at the engineering high school in Zagreb. Richtmann held many public lectures and has published articles about physics.
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Vojislav Mišković
1892 - 1976 (84 years)
Vojislav Mišković was a Yugoslac astronomer, head of the Belgrade Observatory in 1926–1950 and 1951–1954.
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Ludwig Hopf
1884 - 1939 (55 years)
Ludwig Hopf was a German-Jewish theoretical physicist who made contributions to mathematics, special relativity, hydrodynamics, and aerodynamics. Early in his career he was the assistant to and a collaborator and co-author with Albert Einstein.
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Mikhail Leontovich
1903 - 1981 (78 years)
Mikhail Aleksandrovich Leontovich was a Soviet physicist, member of Academy of Sciences of the Soviet Union, specializing in plasma and radiophysics. He was awarded:Three Orders of LeninFive Orders of the Red Banner of LabourLenin Prize
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H. G. van de Sande Bakhuyzen
1838 - 1923 (85 years)
Hendricus Gerardus van de Sande Bakhuyzen was a Dutch astronomer. His surname, van de Sande Bakhuyzen, is sometimes erroneously given as Backhuyzen or Bakhuysen. His first name is sometimes given as Hendrik Gerard.
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Atanasije Stojković
1775 - 1832 (57 years)
Atanasije Stojković was a Serbian, Austrian and Russian writer, pedagogue, scholar, physicist, mathematician and astronomer. He is considered the founder of Russian meteoritics. Stojković was the president of the Imperial University of Kharkov from 1807 to 1809 and from 1811 to 1813.
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William L. McMillan
1936 - 1984 (48 years)
William L. McMillan was an American physicist noted for his research of condensed matter physics. McMillan was a member of the National Academy of Sciences, professor of physics at University of Illinois, Urbana-Champaign. He was also a member of the American Academy of Arts and Sciences McMillan received the 1978 Fritz London Memorial Prize for his work in superconductors. The National Academies Press called him "the ablest condensed matter physicist of his generation". The University of Illinois established an award in his name: The William L. McMillan Award.
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Enrique Gaviola
1900 - 1989 (89 years)
Ramón Enrique Gaviola was an Argentinian astrophysicist. Student of Richard Gans at the Universidad de La Plata went in 1922 to Germany where he continued his studies in physics. He studied with Max Planck, Max Born and Albert Einstein, graduating from the University of Berlin in 1926.
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Ormond Stone
1847 - 1933 (86 years)
Ormond Stone , was an American astronomer, mathematician and educator. He was the director of Cincinnati Observatory and subsequently the first director of the McCormick Observatory at the University of Virginia, where he trained a significant number of scientists. He served as the editor of the Annals of Mathematics and towards the end of his life made donations which led to the founding of the Fairfax Public Library System.
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David Fabricius
1564 - 1617 (53 years)
David Fabricius was a German pastor who made two major discoveries in the early days of telescopic astronomy, jointly with his eldest son, Johannes Fabricius . David Fabricius was born at Esens, studied at the University of Helmstedt starting in 1583 and served as pastor for small towns near his birthplace in Frisia , at Resterhafe near Dornum in 1584 and at Osteel in 1603. As was common for Protestant ministers of the day, he dabbled in science: his particular interest was astronomy. Fabricius corresponded with astronomer Johannes Kepler.
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Sameera Moussa
1917 - 1952 (35 years)
Sameera Moussa or Samira Musa Aly was the first female Egyptian nuclear physicist. Sameera held a doctorate in atomic radiation. She hoped her work would one day lead to affordable medical treatments and the peaceful use of atomic energy. She organized the Atomic Energy for Peace Conference and sponsored a call that set an international conference under the banner "Atoms for Peace." She was the first woman to work at Cairo University.
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Benjamin Markarian
1913 - 1985 (72 years)
Benjamin "Benik" Egishevitch Markarian was an Armenian astrophysicist. Markarian's Chain is a group of galaxies which was named after him when he discovered that its members move with a common motion. He is also the namesake of a catalog of compact, optically bright galaxies known as Markarian galaxies.
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David Gill
1843 - 1914 (71 years)
Sir David Gill was a Scottish astronomer who is known for measuring astronomical distances, for astrophotography and geodesy. He spent much of his career in South Africa. Life and work David Gill was born at 48 Skene Terrace in Aberdeen the son of David Gill, watchmaker and his wife Margaret Mitchell. He was educated first at Bellevue Academy in Aberdeen then at Dollar Academy. He spent two years at Aberdeen University, where he was taught by James Clerk Maxwell, and then joined his father's clock-making business. His most important influence at university was probably from Prof David Thomson.
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Bruno Finzi
1899 - 1974 (75 years)
Bruno Finzi was an Italian mathematician, engineer and physicist. Biography Born at Gardone Val Trompia, Finzi received in 1920 his Laurea as an engineer and in 1921 as a mathematician at the University of Pavia. In 1922 he became an assistant of Umberto Cisotti at the Polytecnico di Milano. In 1931 he became a professor of rational mechanics at the University of Milan, but returned in 1947 to the Polytecnico di Milano as the successor to Cisotti and became there director of the Mathematical Institute. From 1949 he was the head of the newly founded Institute of Aeronautics and in 1967 he bec...
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Charles-Eugène Delaunay
1816 - 1872 (56 years)
Charles-Eugène Delaunay was a French astronomer and mathematician. His lunar motion studies were important in advancing both the theory of planetary motion and mathematics. Life Born in Lusigny-sur-Barse, France, to Jacques‐Hubert Delaunay and Catherine Choiselat, Delaunay studied under Jean-Baptiste Biot at the Sorbonne. He worked on the mechanics of the Moon as a special case of the three-body problem. He published two volumes on the topic, each of 900 pages in length, in 1860 and 1867. The work hints at chaos in the system, and clearly demonstrates the problem of so-called "small denominators" in perturbation theory.
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Peter Herbert Jensen
1913 - 1955 (42 years)
Peter Herbert Jensen was a German experimental nuclear physicist. During World War II, he worked on the German nuclear energy project, known as the Uranverein. After the war, he was a department director in the high-voltage section of the Max Planck Institute for Chemistry, in Mainz, and a supernumerary professor at the University of Mainz.
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Tom W. Bonner
1910 - 1961 (51 years)
Tom Wilkerson Bonner was an American experimental physicist who developed important instruments and techniques for neutron physics and nuclear physics . Biography Bonner earned his bachelor's degree in physics from SMU in 1931 and his PhD from Rice University in 1934. In 1934–1936, he was a National Research Council fellow at Caltech. At Rice University, he became an instructor in 1936, a professor in 1945, and chair of the physics department in 1947. In the academic year 1938–1939, he was a Guggenheim fellow. He was elected a Fellow of the American Physical Society in 1941. From 1941 to 1946, he did radar research at the MIT Radiation Lab.
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Thomas Cowling
1906 - 1990 (84 years)
Thomas George Cowling FRS was an English astronomer. Early life and education Cowling was born in Hackney, London, the second of four sons of George Cowling and Edith Eliza Cowling . He was educated at Sir George Monoux Grammar School in Walthamstow and read mathematics at Brasenose College, Oxford from 1924 to 1930. From 1928 to 1930 he worked under Edward Arthur Milne. In 1929, Milne had no problems left to ask his student to work on and appealed to Sydney Chapman, who proposed that they work on an article on which he was working that dealt with the Sun's magnetic field. Cowling found an error in the paper that invalidated Chapman's results.
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Fernando Sanford
1854 - 1948 (94 years)
Fernando Sanford was an American physicist and university professor. He was one of the 22 "pioneer professors" for Stanford University. Sanford was born on a farm near Franklin Grove in Lee County, Illinois, on February 12, 1854. He was the son of Faxton and Maria Mariah Sanford. He attended Carthage College, earning a Bachelor of Science degree in 1879. He taught school until the mid-1880s, then studied physics in Germany under Hermann von Helmholtz for two years.
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Clement D. Child
1868 - 1933 (65 years)
Clement D. Child was an American physicist and educator. He is noted particularly for "Child's law" , which is an equation that describes the electric current that flows between the plates of a vacuum tube. Vacuum tubes were the main components in electronics from about 1905 to 1960, when transistors and integrated circuits mostly supplanted them. Child's Law is still a staple of textbooks treating charged particle motion in vacuum and in solids.
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Lionel Wilberforce
1861 - 1944 (83 years)
Lionel Robert Wilberforce was a British physicist. He is best known for the invention of the Wilberforce pendulum, which exhibits a curious motion in which periods of purely rotational oscillation gradually alternate with periods of purely up and down oscillation.
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Zoltán Lajos Bay
1900 - 1992 (92 years)
Zoltán Lajos Bay was a Hungarian physicist, professor, and engineer who developed technologies, including tungsten lamps and microwave devices. He was the leader of the second group to observe radar echoes from the Moon . From 1930, he worked at the University of Szeged as a professor of theoretical physics.
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James Dunlop
1793 - 1848 (55 years)
James Dunlop FRSE was a Scottish astronomer, noted for his work in Australia. He was employed by Sir Thomas Brisbane to work as astronomer's assistant at his private observatory, once located at Paramatta , New South Wales, about west of Sydney during the 1820s and 1830s. Dunlop was mostly a visual observer, doing stellar astrometry work for Brisbane, and after its completion, then independently discovered and catalogued many new telescopic southern double stars and deep-sky objects. He later became the Superintendent of Paramatta Observatory when it was finally sold to the New South Wales ...
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Johannes Bosscha
1831 - 1911 (80 years)
Johannes Bosscha Jr. was a Dutch physicist. Bosscha came from a family long known for their academic achievements. His great-grandfather and grandfather were classical scholars. His father, Johannes Bosscha Sr. , was a professor of history and literature and also was minister of church-state relationships in two governments . From 1844–1848 Johannes Jr. attended a Latin school in Amsterdam, after which he enrolled at Leiden University. In 1854 he obtained his doctoral degree with a thesis on galvanometry. After a brief sojourn in Berlin he returned to the physics department in Leiden.
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Edward Leamington Nichols
1854 - 1937 (83 years)
Edward Leamington Nichols was an American scientist. He was a physicist and astronomer, professor of physics at Cornell University. Biography He was born of American parentage at Leamington, England, and received his education at Cornell University, graduating in 1875. After Studying at Leipzig, Berlin, and Göttingen he was appointed fellow in physics at Johns Hopkins. He then spent some time in the Thomas Edison laboratory at Menlo Park, New Jersey, and subsequently became professor of physics and chemistry in the Central University of Kentucky , professor of physics and astronomy at the Un...
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James Ferguson
1710 - 1776 (66 years)
James Ferguson was a Scottish astronomer. He is known as the inventor and improver of astronomical and other scientific apparatus, as a striking instance of self education and as an itinerant lecturer.
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Cargill Gilston Knott
1856 - 1922 (66 years)
Cargill Gilston Knott FRS, FRSE LLD was a Scottish physicist and mathematician who was a pioneer in seismological research. He spent his early career in Japan. He later became a Fellow of the Royal Society, Secretary of the Royal Society of Edinburgh, and President of the Scottish Meteorological Society.
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Marc-Auguste Pictet
1752 - 1825 (73 years)
Marc-Auguste Pictet was a Swiss scientific journalist and experimental natural philosopher. Pictet's main contribution to learning was his editing of the scientific section of the Bibliothèque Britannique , a publication devoted to the diffusion on the Continent of knowledge and arts produced in Great Britain. His own scientific research focused on the fields of physical science, especially calorimetry, but also astronomy, geology, meteorology and technology, especially chronometry and the manufacture of fine earthenware.
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Christopher Clavius
1538 - 1612 (74 years)
Christopher Clavius, SJ was a Jesuit German mathematician, head of mathematicians at the , and astronomer who was a member of the Vatican commission that accepted the proposed calendar invented by Aloysius Lilius, that is known as the Gregorian calendar. Clavius would later write defences and an explanation of the reformed calendar, including an emphatic acknowledgement of Lilius' work. In his last years he was probably the most respected astronomer in Europe and his textbooks were used for astronomical education for over fifty years in and even out of Europe.
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Evan James Williams
1903 - 1945 (42 years)
Evan James Williams FRS was a Welsh experimental physicist who worked in a number of fields with some of the most notable physicists of his day, including Patrick Blackett, Lawrence Bragg, Ernest Rutherford and Niels Bohr.
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Joseph O. Hirschfelder
1911 - 1990 (79 years)
Joseph Oakland Hirschfelder was an American physicist who participated in the Manhattan Project and in the creation of the nuclear bomb. Biography Hirschfelder was born in Baltimore, Maryland, the son of a Jewish couple, Arthur Douglas and May Rosalie . He completed his undergraduate studies at the University of Minnesota from 1927 to 1929 and at Yale University from 1929 to 1931. Hirschfelder received doctorates in physics and chemistry from Princeton University under the direction of Eugene Wigner, Henry Eyring and Hugh Stott Taylor. He worked as a postdoctoral fellow with John von Neumann for a year after his PhD at the Institute for Advanced Study.
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Aryeh Kaplan
1934 - 1983 (49 years)
Aryeh Moshe Eliyahu Kaplan was an American Orthodox rabbi, author, and translator best known for his Living Torah edition of the Torah and extensive Kabbalistic commentaries. He became well-known as a prolific writer and was lauded as an original thinker. His wide-ranging literary output, inclusive of introductory pamphlets on Jewish beliefs, and philosophy written at the request of NCSY are often regarded as significant factors in the growth of the baal teshuva movement.
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Otto Scherzer
1909 - 1982 (73 years)
Otto Scherzer was a German theoretical physicist who made contributions to electron microscopy. Education Scherzer studied physics at the Munich Technical University and the Ludwig Maximilians University of Munich from 1927 to 1931. At LMU his thesis advisor was Arnold Sommerfeld, and he was granted his doctorate in 1931. His thesis was on the quantum theory of Bremsstrahlung. From 1932 to 1933, Scherzer was an assistant to Carl Ramsauer at the Allgemeine Elektrizitäts-Gesellschaft, an electric combine with headquarters in Berlin and Frankfurt-on-Main. There, he did research on electron optics.
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Otto Lehmann
1855 - 1922 (67 years)
Otto Lehmann was a German physicist and "father" of liquid crystal. Life Otto was the son of Franz Xavier Lehmann, a mathematics teacher in the Baden-Wurtemberg school system, with a strong interest in microscopes. Otto learned to experiment and keep records of this findings. Between 1872 and 1877, Lehmann studied natural sciences at the University of Strassburg and obtained the Ph.D. under crystallographer Paul Groth. Otto used polarizers in a microscope so that he might watch for birefringence appearing in the process of crystallization.
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