Benedetto Morpurgo (1928) OP000915
Malcolm Morris (1902-11) OP000916
Angelo Mosso (1911) OP000921
Paul Julius Moebius (1907) OP000922
Professeur Monprofit OP000924
Friedrich Müller (1928) OP000934
Wilhelm Müller (1928) OP000936
Professeur B. de Nabias OP000942
Bernhard Naunyn (1912) OP000950