Other than what you wrote, LISP did not need 'super computers'. It ran on the same and smaller machines as the original C. A PDP-1 was never a 'super computer',

Other than what you wrote, LISP did not need 'super computers'. It ran on the same and smaller machines as the original C. A PDP-1 was never a 'super computer', neither were the other PDPs. They were 'minicomputers' or 'mainframes'. Actually super computers (CDC, Cray, ...) were not a particular popular target for LISP implementations, ...