Who is Paul Volker from The Creature from Jekyll Island: A Second Look at the Federal Reserve and what is their importance?

Volker served as Chairman of the Federal Reserve from 1979 to 1987. The author referred to him as one of the outstanding economic scientists to come out of the era that ushered in the Federal Reserve System. The author characterized Volker as a champion for establishing a world currency and part of the conspiracy to eventually bring the world under one government.