Internet consulté le 25-02-2005, http://www.brainyencyclopedia.com/encyclopedia/j/ja/jack_parsons.html
Information trouvée : John Whiteside (Jack) Parsons (1914-1952) was a rocket propulsion researcher at the
California Institute of Technology and co-founder of the Jet Propulsion Laboratory
(JPL). His research was central to the United States rocket program in the 1930s and
'40s, notably in the development of space-capable rocket fuels and the invention of
JATO units for aircraft. Parsons was also an avid practitioner of the occult arts,
and a follower of Thelema. He was chosen by Aleister Crowley to lead the Thelemic
movement in California in 1941. He was also the sometime magickal partner of L. Ron
Hubbard.