 It was acquired by Combustion Engineering in 1964, and he became a vice president and head of its nuclear division.He stepped down from this position in 1970, but remained a board member until 1986.He served as a member of the President's Science Advisory Committee from 1960 to 1962, and a member of the General Advisory Committee of the AEC and its successor, the Energy Research and Development Administration, from 1972 to 1975.