 In 1955 and 1956 , Creutz spent a year at Los Alamos evaluating its thermonuclear fusion program for the Atomic Energy Commission . While there he was approached by Frederic de Hoffmann , who recruited him to join the General Atomics division of General Dynamics . He moved to La Jolla , California , as its Vice President for Research and Development , and was concurrently the Director of its John Jay Hopkins Laboratory for Pure and Applied Science from 1955 to 1967 . He was also a member of the Advisory Panel on General Science at the Department of Defense from 1959 to 1963 . 
 In 1955 and 1956 , Creutz spent a year at Los Alamos evaluating its thermonuclear fusion program for the Atomic Energy Commission . While there he was approached by Frederic de Hoffmann , <a href='null_relcl' title='1'><mark>who</mark></a>recruited him to join the General Atomics division of General Dynamics . He moved to La Jolla , California , as its Vice President for Research and Development , and was concurrently the Director of its John Jay Hopkins Laboratory for Pure and Applied Science from 1955 to 1967 . He was also a member of the Advisory Panel on General Science at the Department of Defense from 1959 to 1963 . 
In 1955 and 1956 , Creutz spent a year at Los Alamos evaluating its thermonuclear fusion program fa the Atomic Energy Commission . While there he was approached by Frederic de Hoffmann , recruited him to join da General Atomics division of General Dynamics . He moved to La Jolla , California , as its Vice President for Research and Development , and was concurrently tdaDirector of its John Jay Hopkins Laboratory ffaPure and Applied Science from 1955 to 1967 . He was also a member of the Advisory Panel on General Science at the Department of Defense from 1959 to 1963 .