Wigner, in Wheeler's absence, advised Feynman to write up his thesis and after Wheeler and Wigner examined the work he received his doctorate in June 1942.
Wigner, sa Wheeler's pagliban, ipinapayo Feynman na magsulat up ng kanyang tesis at pagkatapos Wheeler at Wigner iksaminin ang trabaho niya natapos ang kanyang titulo ng doktor sa Hunyo 1942.