Ka cika wannan jumlar: A shekara ta 1965, an ba shi lambar yabo ta Penrose ta Geological Society of America da kuma lambar yabo ta Ma'aikatar Harkokin Cikin Gida ta Amirka. An zabe shi zuwa Kwalejin Kimiyya da Kimiyya ta Amurka a shekarar 1966. Yana halartar taron Majalisar Dinkin Duniya na Duniya a Prague a watan Agusta, 1968, lokacin da
Soviets sun mamaye; an kwashe shi zuwa Nuremberg.