Leonard Fuller

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Leonard Franklin Fuller (born August 21, 1890 in Portland , Oregon , † April 23, 1987 in Palo Alto , California ) was an American radio pioneer.

Arc transmitter of the Federal Telegraph Company to Poulsen for the US Navy
Freshman Masterpiece Radio from the Coliln B. Kennedy Company from 1925

Life

Fuller attended Portland Academy with a degree in 1908 and Cornell University with a master’s degree in electrical engineering in 1912. He then went to the National Electric Signaling Company in Brooklyn and, after a few months, to the Federal Telegraph Company in San Francisco , whose chief engineer he became in 1913 . There he constructed large arc transmitters with outputs of up to 1 MW for the US Army and the US Navy . They were installed for transoceanic communication in addition to the USA in France , Panama , Hawaii and the Philippines .

During the First World War he was in the anti-submarine defense at the National Research Council and studied at the same time at Stanford University , where he received his doctorate in electrical engineering in 1919.

In 1919 he founded the Colin B. Kennedy Company in San Francisco, which manufactured radios. He also worked as a consulting engineer for electricity companies. In 1921/22 he installed a wire radio telephone system on high-voltage lines, the first of its kind. From 1923 to 1926 he worked on it and on radio receivers at General Electric in Schenectady and then in their branch in San Francisco in high-voltage technology and in the application of vacuum tubes. Among other things, he set up a communications link on high-voltage lines from Los Angeles to Hoover Dam .

He then went back to the Federal Telegraph Company in their Palo Alto factory as Executive Vice President and Chief Engineer.

From 1930 to 1943 he was professor of electrical engineering at the University of California, Berkeley . As a friend of Ernest Orlando Lawrence , he helped build the first cyclotron at the Berkeley Radiation Laboratory. From 1946 until his retirement in 1954 he was a professor at Stanford University and coordinated research contracts with industry.

Leonard Fuller held 24 patents. He received the first IEEE Morris N. Liebmann Memorial Award in 1919 . He was a fellow of the Institute of Radio Engineers , the American Institute of Electrical Engineers, and the American Physical Society .

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