Martin,
Archer John Porter Maynard
Smith, John McClintock,
Barbara McCollum,
Elmer Verner Medawar,
Peter (Brian) Mellanby,
Kenneth Mendel,
Gregor Johann Meselson,
Matthew Stanley Meyerhof,
Otto Fritz Milstein,
César Monod,
Jacques (Lucien) Morgan,
Ann Haven Muir,
John Muller,
Hermann Joseph