Johannes Kepler — German Scientist born on December 27, 1571, died on November 15, 1630

Johannes Kepler was a German mathematician, astronomer, and astrologer. A key figure in the 17th century scientific revolution, he is best known for his laws of planetary motion, based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. These works also provided one of the foundations for Isaac Newton's theory of universal gravitation... (wikipedia)

I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses.
The radius vector describes equal areas in equal times.
Planets move in ellipses with the Sun at one focus.
Truth is the daughter of time, and I feel no shame in being her midwife.
I demonstrate by means of philosophy that the earth is round, and is inhabited on all sides; that it is insignificantly small, and is borne through the stars.