French scientist and retired senior researcher at National Center for Scientific Research (CNRS). His main fields of work include fluid mechanics, kinetic theory of gases, plasma physics applied in magnetohydrodynamics (MHD power generation and a MHD propulsion) as well as topology and astrophysics applied in cosmology.

> Contacted by E.Ts, he's been taught their cosmological system

His latest video in english:
https://youtu.be/gDxEsmMZfQw
https://en.wikipedia.org/wiki/Jean-Pierre_Petit