"It's not often you see Microsoft adopting a language from the world of Open Source Software (OSS), but IronPython is just such a project and has gathered a growing following among several groups working on Longhorn and associated technologies. IronPython is the creation of Jim Hugunin, now a Microsoft employee, who also created JPython/Jython.
"The Python language has been around for almost 15 years and was created by Guido van Rossum who now carries the title of BDFL (Benevolent Dictator For Life)..."