 Watkins met Gwen, who came from Harborne, Birmingham, at Bletchley Park, where he worked during the Second World War as a cryptographer, and she, as a member of the WAAF.They were both engaged in breaking the Luftwaffe AuKa tactical codes in Block F (A).Gwen was at first billeted at Stony Stratford but later moved to RAF Church Green at Bletchley.