P. Manson: Discovery of the relation of the mosquito to malaria, as its transmitting agent to man.
R. Ross: Experimental studies, in India and Africa, which showed the mosquito as bearer of malaria.
Evaluation was made jointly by Carl Sundberg, Ernst Almquist and Ragunda Hammarstrand, and included Ross, Manson, Laveran, Grassi, Bastianelli and Bignami.