Eliezer Yudkowsky

Eliezer Shlomo Yudkowsky (born September 11, 1979[1]) is an American writer, blogger, and advocate for the development of friendly Artificial Intelligence[2] and the understanding of a possible future Singularity. http://en.wikipedia.org/wiki/Eliezer_Yudkowsky

see also Less Wrong

creator of Harry Potter And The Methods Of Rationality