Corporal Frederick John Knowles MM (born 1895 in Nairn, Moray, Scotland; died 1979) was a Scottish World War I flying ace credited with seven aerial victories.
Corporal Frederick John Knowles MM (born 1895 in Nairn, Moray, Scotland; died 1979) was a Scottish World War I flying ace credited with seven aerial victories. (en)
Corporal Frederick John Knowles MM (born 1895 in Nairn, Moray, Scotland; died 1979) was a Scottish World War I flying ace credited with seven aerial victories. (en)