John Cadman (Engineer / Inventor / Author)
5.3 – Alien Power Plants (1.4.13)
6.14 – Mysterious Devices (6.27.14)
Engineer and developer of the hydraulic pulse generator theory of the Great Pyramid of Giza. John has produced his theory by building large scale working models of the lower extremities of the Great Pyramid showing how it acts as a pulse generator, hydrogen generator and water pump.