Michael Hartl is a programmer and entrepreneur. Before discovering Rails, he used Zope/Python in a startup he cofounded to produce fantasy sports websites, including BracketManager, at the time the number one independent NCAA Basketball Tournament website. Previously, he was a physics instructor at the California Institute of Technology, where he received the Lifetime Achievement Award for Excellence in Teaching. He also served as Caltech's editor for The Feynman Lectures on Physics: The Definitive and Extended Edition (Addison-Wesley). He is a graduate of Harvard College and has a Ph.D. in physics from Caltech.
Aurelius Prochazka is a pioneer of interactive, user-driven websites and has founded several companies, including Creative Internet Design, Inc., and ArsDigita Corporation. After working extensively with many operating systems and web frameworks, he happily calls Macintosh OS X and Ruby on Rails his preferred programming environments. Aurelius is the principal developer of Caltech's main website, as well as its admissions and alumni sites. He is a graduate of Rensselaer Polytechnic Institute and has a Ph.D. in computational fluid dynamics from Caltech.