Lucas Carlson is a professional Ruby programmer who specializes in Rails web development. He has authored a half dozen libraries and contributed to many others, including Rails and RedCloth. He lives in Portland, Oregon and maintains a website at http://rufy.com/.
Leonard Richardson has been programming since he was eight years old. Recently, the quality of his code has improved somewhat. He is responsible for libraries in many languages, including Rubyful Soup. A California native, he now works in New York and maintains a website at http://www.crummy.com/.