Isaac Newton published Philosophiae Naturalis Principia Mathematica on this day in 1687
	Michael Blake (Dances with Wolves) was born on this day in 1945
	Bill Watterson, creator of Calvin and Hobbes, was born on this day in 1958
	Irish crime journalist Veronica Guerin was born on this day in 1958. She was murdered in 1996 by drug lords whose misdeeds her writing had exposed.
	Manga artist Ken Akamatsu (A.I. Love You, Love Hina) was born on this day in 1968