http://www.legacy.com/obituaries/nytimes/obituary.aspx?n=daniel-bobrow&pid=184794881 I think Ken Thompson paid him the greatest tribute in his Turing Award paper. *"I suspect that Daniel Bobrow would be here instead of me if he could not afford a PDP-10 and had had to "settle" for a PDP-11. * https://www.ece.cmu.edu/~ganger/712.fall02/papers/p761-thompson.pdf