Sir Frederic Calland Williams
– August 11 1977
), known as 'Freddie Williams', was an English engineer
Williams attended the University of Manchester, and received his doctorate in 1936 at the University of Oxford.
Working at the Telecommunications Research Establishment he was a substantial contributor during World War II to the development of radar.
With Tom Kilburn he pioneered the first stored-program digital computer at the University of Manchester. He is particularly well known for his invention of the Williams-Kilburn tube, an early memory device, and the Manchester Mark I computer.
His appointment to head the Electrical Engineering Department of the University of Manchester in 1946 led to the formation of the Computer Group, later to become the Department of Computer Science.