Lionel worked on Enigma codes at Hut 3 at BP, mostly translating German, having previously worked in Intelligence in India and Ireland as well as having worked for SOE and running a small spy ring in Holland until 1940.
Michael had been reading classics at Oxford and was recruited to help in the war with Japan. He went on an intensive 6 month Japanese course at Bedford -- a course so tough at least two other students committed suicide due to the pressure. He worked in Hut 7 and then Block B at BP on Japanese naval decodes.
Nakdimon ('Nakky') Shabetai Doniach (1907 - 1994), was the son of Aaron Doniach, a Zionist, and a noted Arabic scholar at Oxford University, among other notable academic achievements. His mother Rahel Chaikin was a founder of WIZO. Nakdimon was recruited to BP after his studies at Wadham College and from the RAF. Thereafter he was involved with air intelligence and translation at BP. Afterwards he worked for GCHQ, and on retirement he moved to Oxford and was a teacher and editor of the Oxford University Press Dictionaries, especially in modern Hebrew and Arabic usages. He was made OBE in 1967 for scholarship and intelligence work.
Adapted from and with thanks to: (c) M. Sugarman, 'Breaking the Codes: Jewish personnel at Bletchley Park' (Jewish Historical Studies, Vol 40, 2005)