Amedeo Avogadro
Amedeo Avogadro (born Turin, Italy, 1776; died Turin, Italy, July 9, 1856) was a chemist and a physicist. From 1820 until his death he was a professor at the University of Turin. His research led to Avogadro’s Law: two gases at the same pressure and temperature will have the same number of molecules. He also created Avogadro’s Constant, the Mole.
Johann Gottfried Galle (born Prussia, 1812; died Potsdam, Germany, July 10, 1910) was an astronomer. Using the calculations of John Couch Adams, he became the first person to find and see Neptune on September 23, 1848.
Gregory Maguire (born Albany, New York, 1954) has written at least 23 books for children and 13 books for adults. He has also written at least 10 short stories and three books of nonfiction. His books include The Wicked Years series and Missing Sisters. Children can visit his website at: Gregory Maguire.
Cole Porter (born Peru, Indiana, 1892; died Santa Monica, California, October 15, 1964) was a composer and lyricist. He published his first song when he was ten years old. Two of his Broadway musicals are Can Can and Kiss Me Kate.