Jim is the the creator of the Turkee gem, a Rails form library that allows a developer to easily integrate with Mechanical Turk using the standard Rails form helpers. The gem also makes it easy to retrieve the data submitted to Mechanical Turk and map those values back to your existing models.
Mark is the creator of the RTurk gem (upon which Turkee is built).
Turkee - Blurring the lines between Rails and Mechanical Turk. https://github.com/aantix/turkee
RTurk - A simple wrapper and library for Amazon's Mechanical Turk. https://github.com/mdp/rturk