I know one of the authors, David Srbecky: he was in my class at Cambridge. His final year undergrad project was a decompiler from IL to C#, so he had a big chun

I know one of the authors, David Srbecky: he was in my class at Cambridge. His final year undergrad project was a decompiler from IL to C#, so he had a big chunk of code for this lying around already - the Reflector changes provided the motivation to finally clean it up and publish it.