 Along the years Salmon gave lectures and courses as a visiting professor in many universities and other prestigious institutions around the world, including the university of Bologna, where in 1988 he delivered a lecture course on “Forty years of scientific explanation”; the university of Melbourne (1978), and Kyoto University, where in the Spring 2000 he last taught for one term. Salmon was also very active in promoting philosophy of science, and served as President of the Logic, Methodology and Philosophy of Science division of the International Union of History and Philosophy of Science (now IUHPST: International Union of History and Philosophy of Science and Technology) from 1996 to 2000.