Sir Percival Hartley CBE MC FRS (28 May 1881 – 16 February 1957) was an English immunologist who was head of the Medical Research Council (MRC) Biological Standards Division for 44 years.
Sir Percival Hartley CBE MC FRS (28 May 1881 – 16 February 1957) was an English immunologist who was head of the Medical Research Council (MRC) Biological Standards Division for 44 years. (en)