David Heinemeier Hansson

David Heinemeier Hansson is a Danish programmer and racing driver. As a programmer, he is the creator of the popular Ruby on Rails web development framework and the Instiki wiki. He is also a partner at the web-based software development firm 37signals.

Hansson co-wrote ''Agile Web Development with Rails'' with Dave Thomas in 2005 as part of The Facets of Ruby Series. He also co-wrote ''Getting Real'', ''Rework'', ''Remote'', and ''It Doesn't Have to Be Crazy at Work'' with Jason Fried. Provided by Wikipedia