He was also against LISP, but turned around in 1999: https://www.cs.utexas.edu/users/EWD/transcriptions/EWD12xx/EWD1284.html https://www.cs.utexas.edu/users/EW

He was also against LISP, but turned around in 1999: https://www.cs.utexas.edu/users/EWD/transcriptions/EWD12xx/EWD1284.html https://www.cs.utexas.edu/users/EWD/transcriptions/EWD12xx/E... "I must confess that I was very slow on appreciating LISP’s merits. My first introduction was via a paper that defined the semantics of LISP in terms of LISP, I did not see how that could make sense, I rejected the paper and LISP with it."