He worked at the University of Kansas , and then at the Manhattan Project in Los Alamos , New Mexico continuing his work with fast neutrons . In 1946 he joined the University of Wisconsin – Madison , where he remained for most of his career following a program on determining fast neutron cross-sections , directing the doctoral dissertation research of over forty students . In 1970 , his laboratory was destroyed by a terrorist attack on a military research facility there , which seriously injured one of his graduate students and killed a member of another research group . In dismay , he stopped work in nuclear physics , and left for two years at the Lawrence Livermore Laboratories where he worked on the development of intense sources of high-energy neutrons for materials testing and medical uses . Returning to Wisconsin , with a joint appointment in the departments of Nuclear Engineering and Physics — and , later , also Medical Physics , he concentrated on the medical application of neutrons in cancer therapy until his retirement in 1986 . He was elected a Fellow of the American Academy of Arts and Sciences in 1987 . His doctoral students include Charles K. Bockelman
terrorist attack
Sterling Hall bombing
Henry H. Barschall