Sir Frederick William Andrewes OBE FRCP FRS (31 March 1859 – 24 February 1932) was an English physician, pathologist, and bacteriologist.

[2][3] After education at Oakley House School in Reading, Frederick Andrewes matriculated on 11 October 1878 at Christ Church, Oxford, where he graduated in 1882 BA with first-class honours in natural sciences.

Having won an Open Entrance Scholarship,[1] he began in 1885 his clinical training at St Bartholomew's Hospital Medical College, where he learned bacteriology from Emanuel Edward Klein and pathology from Alfred Antunes Kanthack.

[3]Horder, as well as John Hannah Drysdale,[7] Hugh Thursfield, Frank Atcherley Rose, and W. Girling Ball,[8] were, early in their careers, demonstrators in pathology under Andrewes.

[3] He was an early member of the Medical Research Council and during the 1914-1918 War accomplished valuable work on dysentery bacilli ...[2]On 25 July 1895[9] in Islington, London, he married Phyllis Mary Hamer.