title: Peter Medawar--discoverer of immunologic tolerance.
authors.forename: Robert A
authors.initials: RA
authors.lastname: Kyle
authors.forename: Marc A
authors.initials: MA
authors.lastname: Shampo
mesh_terms: D006172:Guyana; D049673:History, 20th Century; D006801:Humans; D007108:Immune Tolerance; D009613:Nobel Prize; D010678:Philately; D014181:Transplantation Immunology; D006113:United Kingdom