Sir Frederic Celland Williams CBE, FRS
Sir Frederic Calland Williams, CBE FRS was an English engineer, a pioneer in radar and computer technology.
Working at the Telecommunications Research Establishment (TRE), he was a substantial contributor during World War II to the development of radar.
In 1946 he was appointed as head of the Electrical Engineering Department of the University of Manchester. There, with Tom Kilburn and Geoff Tootill, he built the first electronic stored-program digital computer, the Manchester Baby.
Williams is also recognised for his invention of the Williams tube, an early memory device.
He died in Manchester, aged 66.