[benthumb]

Mac OS X: Avadis Tevanian - B.A. in Mathematics from the University of Rochester, and his M.S. and Ph.D. degrees in computer science from Carnegie Mellon University

Python: Guido van Rossum - masters degree in mathematics and computer science from the University of Amsterdam

Ruby on Rails: David Heinemeier Hansson - bachelor's degree in Computer Science

Ruby: Yukihiro Matsumoto - He graduated with an information science degree from University of Tsukuba

Linux: Linus Torvalds - master's degree in computer science from NODES research group

SpaceX: Elon Musk - From the Wharton School of the University of Pennsylvania, he received an undergraduate degree in Economics, and stayed on another year to finish a second bachelor's degree in physics.

...I could go on