Premio México 1991
Juan José Giambiagi

He especially contributed to theoretical physics, in particular to the invention of the method denominated Dimensional Regulation, the basis of the modern quantum theory of fields that describes the fundamental forces of the universe. Giambiagi inspired and formed a great number of Latin American scientists, and was the leader of the most important group of researchers in physics in Latin America.

Premio México 1990
Jacinto Convit

Is known throughout the world for his untiring battle against leprosy and leishmaniasis, diseases which led him to create a scientific approach permitting the creation of vaccines and successful treatments. Is one of the Latin American scientists whose contributions to world health have been most transcendental and valuable.