Canadian-born physician and researcher (1849–1919) widely hailed as the “Father of Modern Medicine” TNS signed “Wm. Osler,” one page, 7 x 4.25, Regius Professor of Medicine, Oxford letterhead, March 17, 1914. Osler writes to Philpot. In full: “Best wishes! Kindest regards to your both!…” Staple holes, faint soiling, and mild handling wear, otherwise fine condition. R&R COA.