Lee Ambrosius is a technical writer for Autodesk and currently writing on AutoCAD for Mac documentation. He has detailed the new AutoLISP functions in AutoCAD 2012 for Mac.

New AutoLISP Functions in AutoCAD 2012 for Mac (http://bit.ly/nyivVA)

I have known Lee for many years prior to him joining Autodesk and one thing is certain, besides being a hard worker he is one of the most knowledgeable AutoCAD experts I have ever met inside or outside Autodesk.
He is a true AutoCAD Ninja.

Thank you Lee!