Clyde Wiegand (May 23, 1915, Long Beach, Washington – July 5, 1996) was an American

physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...

. Wiegand received his undergraduate degree from Willamette University in 1940. He began his graduate work in physics in 1941 at UC Berkeley. He was best known for the co-discovery of the

antiproton The antiproton, , (pronounced ''p-bar'') is the antiparticle of the proton. Antiprotons are stable, but they are typically short-lived, since any collision with a proton will cause both particles to be annihilated in a burst of energy. The exis ...

in 1955, along with

Owen Chamberlain Owen Chamberlain (July 10, 1920 – February 28, 2006) was an American physicist who shared with Emilio Segrè the Nobel Prize in Physics for the discovery of the antiproton, a sub atomic particle, sub-atomic antiparticle. Biography Born i ...

Emilio Segrè Emilio Gino Segrè ( ; ; 1 February 1905 – 22 April 1989) was an Italian-American nuclear physicist and radiochemist who discovered the elements technetium and astatine, and the antiproton, a subatomic antiparticle, for which he was award ...

, and Thomas Ypsilantis. He was also a large contributor to the research of the atomic bomb. He died at his home in

Oakland, California Oakland is a city in the East Bay region of the San Francisco Bay Area in the U.S. state of California. It is the county seat and most populous city in Alameda County, California, Alameda County, with a population of 440,646 in 2020. A major We ...

of prostate cancer, aged 81.

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Obituary
1915 births 1996 deaths 20th-century American physicists Scientists from Oakland, California UC Berkeley College of Letters and Science alumni Willamette University alumni Fellows of the American Physical Society Deaths from prostate cancer in California {{US-physicist-stub