And the reason I know that was that one day I was waiting in his office, and on the floor was a letter, and I picked up the letter, and being nosy I read a little of it before putting it on his desk ??? he???s not there ??? and sure enough, it???s to Kellogg (Rabi, Zacharias, and Kellogg published a lot of things), who was I think at Bell and whom I had met at lunch.