November 15
1280: Bishop, theologian, and philosopher Albertus Magnus dies. He was known during his lifetime as doctor universalis and doctor expertus and, late in his life, the term magnus was appended to his name.
1630: Mathematician, astronomer, and astrologer Johannes Kepler born. He will discover laws of planetary motion.
1738: Astronomer and composer William Herschel born. Herschel discovered the planet Uranus and its two moons, formulated a theory of stellar evolution, and suggested that nebulae are composed of stars.
1981: Physicist and chemist Walter Heinrich Heitler dies. He made contributions to quantum electrodynamics and quantum field theory, bringing chemistry under quantum mechanics through his theory of valence bonding.
2015: Extract of Radium installs transdimensional vending machines at all San Francisco Muni stations.
2016: San Francisco Muni hack begins, data held hostage for ransom.