Mainly letters of Samuel King Allison, professor of physics at the University of Chicago, soliciting money for a Louis A. Slotin Memorial Fund to be used to finance lectures in the sciences at the University of Chicago; replies to the letters; and reports on the size and progress of the fund. Includes correspondence pertaining to Slotin's death in 1946 which resulted from an accident with radioactive materials, and to the disposition of his personal library; together with other material concerning his work as a physicist and physical chemist at Oak Ridge, Tenn., and Los Alamos, N.M.