Descartes entwirft einen holographischen Arzt.
„Descartes diagram“ by René Descartes(?) – Scanned from Dagfinn Døhl Dybvig & Magne Dybvig (2003). Det tenkende mennesket. Oslo: Tapir akademisk forlag. ISBN 8251918642. Page 173. Which had it from Descartes: The World and Other Writings. Cambridge U.P. 1998.. Licensed under Public Domain via Wikimedia Commons.
