+(This is not complete, please send email if I have missed someone.)
Eirik A. Nygaard - IO Patch
Cal Heldenbrand - Awesome feedback on performance
Dustin Sallings - Insight into protocol
Andre Cruz - Help with getting the CRC Hash function to match other connectors
Brian Pontz - Hsieh hash
Tim Bunce - Perl Driver work and feedback on API
+Kevin Dalley - Bug Fixes
+Patrick Galbraith - work on C++ interface
+Ross McFarland - Idea for sorting servers.
+Marcelo Fernandez - TCP/IP timeout pieces
+Yin Chen - Ketama support/weighted support
+Monty Taylor - Debian Packages, Cleanup work for configure