Yukihiro "Matz" Matsumoto, the designer of the Ruby language since 1993, will be speaking at this week’s department colloquium, which will be held at a special time due to Homecoming Week.Join us at 3:00 on Wednesday, October 18 in 1170 TMCB as the creator of the Ruby programming language explains the history of the language and how it can help you become a more effective programmer. He will also describe the philosophy behind the language, much of which can be applied to any software design. Yukihiro "Matz" Matsumoto is a full-time open source software developer who has been working for Netlab.jp. He is known as one of the "open source evangelists" in Japan. A member of the LDS church, he served his mission in Okayama Japan and is now serving as the first counselor in the bishopric of the Matsue Ward, Japan Okayama Stake.