&quot;You just ask them?&quot; was in Albuquerque during a summer after he was at Cornell, so 1946 at the earliest.[1]<p>[1] <a href="http:&#x2F;&#x2F;www.e-reading.club&#x2F;chapter.php&#x2F;71262&#x2F;34&#x2F;Feynman_-_Surely_Youre_Joking,_Mr._Feynman__Adventures_of_a_Curious_Character.html" rel="nofollow">http:&#x2F;&#x2F;www.e-reading.club&#x2F;chapter.php&#x2F;71262&#x2F;34&#x2F;Feynman_-_Sur...</a>