Physicist, director of both The Institute for Advanced Study in Princeton and the Manhattan Project which developed the atomic bomb. Signed book: Robert Oppenheimer, The Man and His Theories. NY: Paul S. Eriksson Inc., 1965. Hardcover, 6.25 x 9.25, 192 pages. Signed and inscribed in blue ballpoint on the first free-end page “To John J. Mourain, Jr., This quite miserable book & my good wishes, Robert Oppenheimer 5/5/65.” In fine condition, with a light shade of toning to signed page and some light spotting to spine and back cover. COA John Reznikoff/PSA/DNA and R&R COA.