Varian brothers, US physicists

Varian brothers, US physicists

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Credit: AMERICAN INSTITUTE OF PHYSICS/SCIENCE PHOTO LIBRARY

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Caption: Varian brothers. Russell Varian (left, 1898-1959) and Sigurd Varian (right, 1901-1961) with a klystron tube. The klystron was co-invented with William Hansen in 1937, at Stanford University, USA. It is used to generate or amplify electro- magnetic radiation in the microwave (short radio wave) region of the spectrum. Russell Varian started his career in television technology while his brother was a pilot. The klystron was invented to improve communications between aircraft, but was later to be used in particle accelerators.

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Keywords: 1930's, america, american, black-and-white, brother, brothers, electromagnetic radiation, inventor, inventors, klystron tube, male, man, men, microwaves, monochrome, odyssey, physicist, physicists, portraits, russell, sigurd, surname v, united states, us, usa, varian

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