Yukihiro Matsumoto - WikipediaMatsumoto giving the keynote speech at EuRuKo 2011 Matsumoto accepting an award from the Free Software Foundation (founder Richard Stallman, right) in 2012 Yukihiro Matsumoto (まつもとゆきひろ, Matsumoto Yukihiro; born 14 April 1965), also known as Matz, is a Japanese computer scientist and software programmer. He is best known as the chief designer of the Ruby programming language and its original refere
