Hertz, Gustav, << hurts or hehrts, GUS tahf >> (1887-1975), a German physicist, shared the 1925 Nobel Prize in physics for proving the validity of Niels Bohr’s theory of the atom (see Bohr, Niels ). In 1932, Hertz developed a way of separating forms of chemical elements called isotopes (see Isotope ). The United States government uses his process in its uranium separation plants. Hertz was born on July 22, 1887, in Hamburg. He received a doctorate from the University of Berlin in 1911. Hertz worked in the Soviet Union from 1945 to 1954. He died on Oct. 30, 1975.
