Emilio Segrè (born 1.02.1905) - Italian experimental physicist, a member of the Accademia dei Lincei (1958). Born in Tivoli (Italy). Graduated from the University of Rome (1928) and worked there in 1928 — 35; in 1936 — 38 he was a professor and director of the physics laboratory of the University of Palermo. In 1938—72 he worked at the University of California at Berkeley (a professor from 1946), and in 1942—46 at the Los Alamos Laboratory. In 1974 — 75 he was a professor at the University of Rome. His work concerned atomic and nuclear physics, nuclear chemistry and elementary-particle physics. As a member of E. Fermi's group in Italy he took part in 1934 in the discovery of the slowing down of neutrons. Together with others he discovered new chemical elements: technetium (1937), astatine and plutonium-239 (1940).In 1955, with a group of colleagues, he discovered the antiproton (Nobel Prize, 1959). A member of the US National Academy of Sciences (1952). The S. Cannizzaro Medal.