# Richard Feynman

- Author:
- Roman Hašek

**Richard Feynman (1918 - 1988)**, American physicists and Nobel prize holder, published two contributions on the derivation of

**Kepler's laws**of planetary motions applying

**Newton's laws**of motion and gravity (this method was used also by Newton himself to prove the correctnes of his assumptions): Feynman's Lectures on Physics (three volume book, 1963) - the numerical approach The Motion of Planets around the Sun (guest lecture, 1964) - geometric approach