Oppenheimer, Robert and Edward Teller. First Day Cover signed by Oppenheimer in black ink at lower right; FDC commemorating Albert Einstein and bearing an 8¢ stamp with his image was cancelled Mar. 14, 1966. With 3 x 5" card signed by Edward Teller in blue ink and an 8x10" photo of Teller with press blurb released in 1962 when his book,
The Legacy of Hiroshima, was published.Oppenheimer (1904-67) was director of the Manhattan Project and is considered the father of the atom bomb. Teller (1908-2003) is called the father of the hydrogen bomb.
Estimated Value $250 - 350.
Scientists and Engineers