Stephen Michael Alvin Banister (7 October 1918 – 28 June 2006) was a Welsh first-class cricketer, Bletchley Park codebreaker and civil servant.
His father was an officer in the Indian Civil Service, with Banister spending his early years living in British India at Bombay.
[2] Playing as a right-arm off break bowler, he took 5 wickets at an expensive bowling average of 70.00 and with best figures of 2 for 73.
[3] Banister was rejected for service with the Royal Air Force during the Second World War, but was recruited shortly after to Bletchley Park, where he worked a codebreaker in Hut 6.
[1] He spent the latter part of his life living in Effingham, Surrey with his wife, who he had married in 1944 and had four sons.