[jessaustin]

Someone who has written so much [0] about functional programming, I would suspect has written an interpreter before.

[0] http://raganwald.com/

[throwawaybbb]

I have written interpreters in python and god help me lex and yacc. The point is that writing one in scheme is so easy you almost think that the language was designed with that in mind, it was in case the sarcasm doesn't get through the text.