from pIntEn matz
I said that according to my knowledge, Ruby on Rails was developed by Hansson. So, if you got the note, please ignore. You were referring to Ruby, and not Ruby on Rails. Todo: add footnote
Matz (Yukihiro Matsumoto) made Ruby in 1995. Later, David Heinemeier Hansson made Ruby on Rails in 2005. That made Ruby famous all over the world.
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