Geoff Klempner, BASc, is a large generator specialist, residing in Toronto, Canada.He has served on numerous IEEE committees and standards working groups for large generators and is also a contributor to CIGRE on large rotating electrical machines.

Isidor Kerszenbaum, PhD, is an IEEE Fellow, residing in Irvine, California. He is a generator specialist consulting to power plants on operation, maintenance, and troubleshooting of large motors and generators.