 However, this did not prevent him from describing this colorful personality as a "zany", card-trick playing, limerick-singing, booze-swilling, practical–joking "giant imp".Gamow worked at George Washington University from 1934 until 1954, when he became a visiting professor at the University of California, Berkeley.In 1956, he moved to the University of Colorado Boulder, where he remained for the rest of his career.