Yukihiro MatsumotoYukihiro Matsumoto (Matz), the creator of Ruby, is a professional programmer who worked for the Japanese open source company, netlab.jp. Matz is also known as one of the open source evangelists in Japan. He's released several open source products, inluding cmail, the emacs-based mail user agent, written entirely in emacs lisp. Ruby is his first piece of software that has become known outside of Japan. Read More Read Less