From page 55
http://www.gulabin.com/armynavy/pdf/...pointments.pdf
Fighter Command
Senior Air Staff Officer
Air Vice-Marshal Keith R. Park: June 1938-April 1940
Air Vice-Marshal Douglas C.S. Evill: June 1940-January 1942
Air Vice-Marshal Malcolm Henderson: January-November 1942
Air Vice-Marshal William B. Callaway: November 1942-February 1945
Air Vice-Marshal Geoffrey H. Ambler: February-August 1945