Guy L. Steele, Jr. is one of the names behind Lisp, one of the designers of Scheme, and the author of the original command set of Emacs. He also has had his fingers in Javascript, Java, and Fortress.
In An On-the-fly Bytecode Compiler for Tcl , Brian T. Lewis, 1996, he is mentioned as having written a program to translate a subset of Tcl to C.