Aka Walter Baumgartiner.
Studied with Walter Russell, inventor, machinist, tool-maker, writer, lecturer, author and publisher. Co-authored Nikola Tesla Earthquake Machine

William Baumgartner being a talented machinist built many devices including working models of The Tesla Oscillator, (photos), a device he called a "Fish Motor" (using Tesla Turbine elements) and replications of Schauberger's water vortex generators.

Eulogy by Jeane Manning

Web site
Vortex Science

Energy Unlimited Magazine
Energy Unlimited No 1
Energy Unlimited No 2
Energy Unlimited No 3
Energy Unlimited No 4
Energy Unlimited No 5
Energy Unlimited No 6
Energy Unlimited No 7
Energy Unlimited No 8

Books
New Energies Foundation Implosion Workshop Applied Vortex Mechanics
By William Baumgartiner
Nikola Tesla Earthquake Machine with Dale Pond