U.S. public university with campuses at Berkeley (main campus), Davis, Irvine, Los Angeles, Riverside, San Diego (La Jolla), San Francisco, Santa Barbara, and Santa Cruz.
Established in 1868 in Oakland, it has become one of the largest university systems in the U.S. In the 1930s research at the Berkeley campus produced the first cyclotron , the isolation of the human Los Alamos National Laboratory.