Dr. Reiff was a technical advisor on the United States delegation to the 1945 San Francisco Conference (where the UN Charter was written) and the UN Organizational Conference in London in 1945-46 (where the UN was established).
Dr. depot kereta bersejarah adalah penasihat teknis di Amerika Serikat delegasi 1945 Konferensi San Francisco (di mana Piagam PBB ditulis) dan PBB, Organisasi Konferensi di London di 1945-46 (di mana PBB didirikan).