"Grigson, John"@en . "1913Z"^^ . "British Air Forces in Greece" . . "No. 2 (Indian Wing) Station" . "Jack"@en . . . . . . "RAF in Palestine and Trans-Jordan" . "British naval pilot" . "1943Z"^^ . . . "1943-07-03Z"^^ . "Air Commodore John William Boldero \"Jack\" Grigson DSO, DFC & Two Bars (26 January 1893 \u2013 3 July 1943) was a highly decorated British pilot who served in the Royal Naval Air Service and Royal Air Force in World War I continuing his service and serving in World War II until his death in an air crash in 1943."@en . "Rhodesian Air Training Group" . "No. 55 Squadron RAF" . "John William Boldero Grigson"@en . . "1943Z"^^ . . . . . . . . . "1893-01-26Z"^^ . . . "1893Z"^^ .