Southworth, George Clark
BornLittle Cooley, Pennsylvania, USA, 24 August 1890
DiedChatham, New Jersey, USA, 6 July 1972
G. C. Southworth was the first to search for and detect radio emission from the quiet Sun.
Southworth took his first and second degrees in physics at Grove City College in Pennsylvania. Graduate study followed at Columbia and Yale, interrupted during World War I by work for the National Bureau of Standards. He took his Ph.D. from Yale in 1923. His early working career focused upon radio wave propagation at American Telephone and Telegraph Company. In the 1930s, he moved to the Bell Telephone Laboratories in Holmdel, New Jersey, concentrating upon waveguide design. During World War II, Southworth was in charge of a group developing centimetric radar at the Bell Labs.
In June 1942, Southworth and an assistant, observing at 3.2 cm, detected solar radio emission. This was four months after Stanley Heyrecognized that solar radio emission was being detected on antiaircraft radars in Britain,...