Silvio Frondizi (January 19, 1907 — September 27, 1974) was an Argentine intellectual and lawyer, brother of President Arturo Frondizi and of the philosopher . He became active in leftist groups, and was assassinated in 1974 by the Triple A right-wing death squad that operated under the Peron government between 1973 and 1976. This was before the military juntas and their Dirty War.
