. . . . . . "Raymund George Hart" . . . . . . . . "Raymund Hart" . . "Raymund Hart" . . "No. 45 Group(1955\u201356)" . . . . . . . . . . . . . . . . . . "No. 27 (Training) Group(1946\u201347)" . . . "United Kingdom" . . . "1959" . "1917" . "Sir Raymund Hart" . . "1899" . "1960" . . "No. 90 (Signals) Group(1949\u201351)" .