Stephen

Stephen Butterworth

#18,761
Most Influential Person Across History

British engineer

Stephen Butterworth's Academic­Influence.com Rankings

Stephen Butterworth
Engineering
#4669
Historical Rank
Mechanical Engineering
#911
Historical Rank
Applied Physics
#3391
Historical Rank
engineering Degrees
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Why Is Stephen Butterworth Influential?

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According to Wikipedia, Stephen Butterworth was a British physicist who invented the filter that bears his name, a class of electrical circuits that separates electrical signals of different frequencies. Biography Stephen Butterworth was born on 11 August 1885 in Rochdale, Lancashire, England . He was the son of Alexander Butterworth, a postman, and Elizabeth . He was the second of four children. In 1904, he entered the Victoria University of Manchester, from which he received, in 1907, both a Bachelor of Science degree in physics and a teacher's certificate . In 1908 he received a Master of Science degree in physics. For the next 11 years he was a physics lecturer at the Manchester Municipal College of Technology. He subsequently worked for several years at the National Physical Laboratory, where he did theoretical and experimental work for the determination of standards of electrical inductance. In 1921 he joined the Admiralty's Research Laboratory. Unfortunately, the classified nature of his work prohibited the publication of much of his research there. Nevertheless, it is known that he worked in a wide range of fields. For example, he determined the electromagnetic field around submarine cables carrying alternating current, and he investigated underwater explosions and the stability of torpedoes. In 1939, he was a "Principal Scientific Officer" at the Admiralty Research Laboratory in the Admiralty's Scientific Research and Experiment Department. During World War II, he investigated both magnetic mines and the degaussing of ships .

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