"Now, it is my theory, that one of us in the past, through dire necessity, was driven to cannibalism. The memory of that act was hammered like a nail into the mind of that man. Shrewd and brilliant, he could conceal his madness from the human eye, even from himself... but he can't conceal it from the eyes of the radio sensitivity."
January 1, 1970
https://en.wikiquote.org/wiki/Doctor_X_(film)