Original Authors "mruby developers" are:
   Yukihiro Matsumoto
   FUKUOKA CSK CORPORATION
   Kyushu Institute of Technology
   Network Applied Communication Laboratory, Inc.
   Daniel Bovensiepen
   Jon Maken
   Bjorn De Meyer
   Yuichiro MASUI
   Masamitsu MURASE
   Masaki Muranaka
   Internet Initiative Japan Inc.
   Tadashi FUKUZAWA
   MATSUMOTO Ryosuke
   Yasuhiro Matsumoto
   Koji Yoshioka
   Jun Hiroe
   Narihiro Nakamura