Claim: David Aiers served as the Third Secretary in Warsaw before joining Her Majesty's Diplomatic Service.
Evidence: He was Third Secretary in Warsaw from 1946 to 1948 He was at the Foreign Office from to 1951; Second Secretary at Copenhagen from 1951 to 1953, then Buenos Aires from 1953 to 1955. Aiers joined Her Majesty's Diplomatic Service in 1950.