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. In 1887 Andrewes graduated there
BM (Oxon.) and qualified
MRCS. At
St Bartholomew's Hospital he was house physician to
James Andrew and completed his medical education by a brief course of study in Vienna. In 1897 the joint appointments of pathologist and lecturer on pathology at St Bartholomew's Hospital became vacant when Kanthack was appointed to the chair of pathology at the University of Cambridge. Andrewes succeeded him in these posts and continued in office for thirty years. In 1912 Andrewes's lectureship in pathology was raised by the University of London to a professorship. the histology of lymphadenoma, immunology,
Hugh Thursfield,
Frank Atcherley Rose, and W. Girling Ball, were, early in their careers, demonstrators in pathology under Andrewes. in
Islington, London, he married Phyllis Mary Hamer. They had a son,
Christopher Howard Andrewes, and a daughter. ==Awards and honours==