deaths
Louis Leithold, American mathematician and academic (born 1924)
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Louis Leithold
American mathematician (1924–2005)
Louis Leithold was an American mathematician and teacher. He is best known for authoring The Calculus, a classic textbook about calculus that changed the teaching methods for calculus in world high schools and universities. Known as "a legend in AP calculus circles," Leithold…Source: Wikipedia (CC BY-SA)
April 29
Day of the year
April 29 is the 119th day of the year in the Gregorian calendar; 246 days remain until the end of the year.Source: Wikipedia (CC BY-SA)