The reason for C, Pascal etc. on the Lisp Machine was not speed. There were two reasons: 1) using the Genera development environment, where you could interacti

The reason for C, Pascal etc. on the Lisp Machine was not speed. There were two reasons: 1) using the Genera development environment, where you could interactively/incrementally develop/debug C 2) using some C/Pascal software on a Lisp Machine. Examples were the MIT X11 server and TeX.