Nello Carrara, 1900-1993. Physicist. Served in the Italian Navy and taught physics at the Italian Naval Academy of Livorno, 1924-1954; Professor of physics (electromagnetic waves), University of Florence, 1955-1975; emeritus professor of the University of Florence from 1975. From 1936 he did research on the employment of microwaves for night vision at the Center of Studies for Physics of Microwaves, of which he was director from 1947 to 1970, and that today bears his name. After 1970 he taught electromagnetic waves at the University of Florence, which is famous for its studies on micrometeorites and the effects of ionization on telecommunications and astronautics.