Geoffrey Keynes

Sir Geoffrey Langdon Keynes (/ˈkeɪnz/ KAYNZ; 25 March 1887, Cambridge – 5 July 1982, Cambridge) was a British surgeon and author. He began his career as a physician in World War I, before becoming a doctor at St Bartholomew's Hospital in London, where he made notable innovations in the fields of blood transfusion and breast cancer surgery. Keynes was also a publishing scholar and bibliographer of English literature and English medical history, focusing primarily on William Blake and William Harvey.