EJ
writes warmly of both her brothers in her memoirs, but sources such as obituaries are curiously silent about them. Her next brother, Romilly James Heald Jenkins
, her junior by less than sixteen months...
Timeline
December 1943: The first electronic decryption device, the...
Building item
December 1943
The first electronic decryption device, the Colossus, was operational in prototype. By 5 February 1944 it was in use at the Government Code and Cypher School
at Bletchley Park in England to decipher coded German...
