The British Society for Immunology, or BSI, is a UK-based organisation of British immunologists but accepts members from all countries. It was founded in November 1956 by John H. Humphrey, Robin Coombs, Bob White, and Avrion Mitchison and is one of the oldest and largest Immunology societies in the world and the largest in Europe. It publishes three scientific journals: Discovery Immunology, Immunotherapy Advances, and Clinical and Experimental Immunology.