B.A.	Yeshiva University Summa cum Laude, Major: Physics, Minor: Mathematics	1957
M.S.	University of Chicago	1958
Ph.D .	University of Chicago	1962
	Thesis advisor: Prof.Gregor Wentzel Thesis: "Statistical mechanics of a nonideal boson gas: Pair Hamiltonian model", published version: Phys. Rev. 128, 965 (1962).	1962
Dr. rer. nat. h.c.	Universität Osnabrück, Germany           (Doctor rerum naturalium honoris causa)	2006