The Python WSRF Programmer's Tutorial was adapted by Joshua Boverhof from Borja Sotomayor's GT4 Toolkit Java WS-Core Programmer's Tutorial.
The following people have, in one way or another, helped with the GT4 Tutorial:
Lisa Childers
Leon Kuntz (in memoriam)
Jesus Marco
All the Globus gurus who have reviewed the tutorial on countless occasions
If you've reported a bug, typo, or helped out in any way, and you are not listed here, please do let me know!