Japan Yui Naruse Japan Usaku Nakamura Japan Akira Tanaka Japan Koichi Sasada Japan Eric Hodel USA Motohiro Kosaki Japan Shugo Maeda Japan http://twitpic.com/b5acae
Heinemeier Hansson USA Xavier Noria Spain Santiago Pastorino Uruguay Josh Peek USA Josh Leighton UK Top 8 Rails Contributors in 5 Countries http://contributors.rubyonrails.org/