Jacobsohn graduated from
Columbia University with B.S. in 1938 and M.S in 1939. At the beginning of the
Manhattan Project, he worked with
Enrico Fermi at Columbia. Jacobsohn, along with his wife Ruth, moved with Fermi's team in early 1942 to the
University of Chicago for the team's relocation to the
Metallurgical Laboratory, where he worked until the end of WWII. his Ph.D. from the University of Chicago with thesis under the supervision of Edward Teller. For the academic year 1947–1948, Jacobsohn was an instructor at
Stanford University. In 1948 he became an assistant professor in the physics department of the
University of Washington. There he was appointed a full professor in 1959 and remained until he died of a heart attack on a skiing vacation. ==References==