BLOCH, FELIX

born Oct. 23, 1905, Zürich, Switz.

died Sept. 10, 1983, Zürich

Swiss-born U.S. physicist.

He emigrated to the U.S. in 1933 and taught at Stanford University (1934–71). He worked on atomic energy at Los Alamos and on radar countermeasures at Harvard University during World War II. In 1954 he became the first director general of CERN . For developing the nuclear magnetic resonance method of measuring the magnetic fields of atomic nuclei, he shared with Edward Purcell (1912–97) the 1952 Nobel Prize for Physics.