In my Thesis Advisor's Office Professor G. sat at his desk Handsome Respectable Talking calmly about Automata Theory of programming Context-free languages Turing machines... Professor H. listened Attentively Interrupting him now and then with deep probing questions Surprisingly Interestingly Unknown to one of them Somebody was crouching under G.'s desk Silently Stealthily Studiously sucking the old man's dangling D... As part of his thesis research! That's how I got my Ph.D.