Yukihiro Matsumoto (松本行弘 or まつもとゆきひろ, Matsumoto Yukihiro^?, a.k.a. Matz, born 14 April 1965) is a Japanese computer scientist and software programmer best known as the chief designer of the Ruby programming language. Image File history File links No higher resolution available. ... April 14 is the 104th day of the year (105th in leap years) in the Gregorian calendar, with 261 days remaining. ... Year 1965 (MCMLXV) was a common year starting on Friday (link will display full calendar) of the 1965 Gregorian calendar. ... April 14 is the 104th day of the year (105th in leap years) in the Gregorian calendar, with 261 days remaining. ... Year 1965 (MCMLXV) was a common year starting on Friday (link will display full calendar) of the 1965 Gregorian calendar. ... For other uses, see Programmer (disambiguation) 3 programmers. ... Ruby is a reflective, dynamic, object-oriented programming language. ... A programming language is an artificial language that can be used to control the behavior of a machine, particularly a computer. ...

He was born in Osaka Prefecture, in western Honshū. According to an interview conducted by Japan Inc., he was a self-taught programmer until the end of high school. He graduated with an information science degree from Tsukuba University, where he associated himself with research departments dealing with programming languages and compilers. Osaka Prefecture (大阪府 ÅŒsaka-fu) is part of the Kinki region on Honshu island, Japan. ... HonshÅ« (本州 Literally Main State) is the largest island of Japan, called the Mainland; it is south of Hokkaido across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyushu across the Kanmon Strait. ... University of Tsukuba University of Tsukuba (筑波大学;Tsukuba Daigaku), located in the city of Tsukuba, Ibaraki Prefecture in the Kanto region, is one of Japans most prestigious national universities. ... A diagram of the operation of a typical multi-language, multi-target compiler. ...

As of 2006, Matsumoto is the head of the research and development department at the Network Applied Communication Laboratory, an open source systems integrator company in Shimane prefecture. He is a member of The Church of Jesus Christ of Latter-day Saints and served as a missionary for the church. Matsumoto is married and has four children. 2006 is a common year starting on Sunday of the Gregorian calendar. ... Network Applied Communication Laboratory is a Japanese company for systems consulting, and development of web sites and open source software. ... Shimane Prefecture ) is located in the Chugoku region on Honshu island, Japan. ... The Salt Lake Temple of The Church of Jesus Christ of Latter-day Saints is the largest attraction in the citys Temple Square. ...

The photo at right was taken in Tokyo on March 14, 2007, at the ACM International Programming Contest, sponsored by IBM. Matz was a keynote speaker.

Books he wrote

• Ruby in a Nutshell ISBN 0-596-00214-9
• The Ruby Programming Language ISBN 0-201-71096-X

See Also

• Ruby programming language

Ruby is a reflective, object-oriented programming language. ...

External links

• Matz's web diary - Translated to english with Google Translate
• (Japanese) Matz's web diary
• An interview by Japan Inc.
• An interview by Artima Developer
• Ruby Design Principles talk from IT Conversations
• (Spanish) An Interview in Spanish published on November 24, 2005
• [The Ruby Programming Language] - An introduction to the language by its own author