File: Johannes Kepler 1610. jpg | Johannes Kepler ( 1571 – 1630 )

File: Johannes Kepler 1610. jpg | Johannes Kepler ( 1571 — 1630 ): used the accurate observations of Tycho Brahe to formulate three fundamental laws of planetary motion, described elliptical motion of planets around the sun, developed early telescopes, invented the convex eyepiece, discovered a means of determining the magnifying power of lenses.

0.004 seconds.