Notable Scientists: Physical Sciences
Astronomers, astrophysicists, chemists, and physicists
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Pocahontas (c. 1595–1617) The Library of Congress Picture Collection Galileo (1564–1642) Johannes Kepler (1571–1630) Taj Mahal The Library of Congress Picture Collection…
(Encyclopedia) Bürgi, Joost or Jost, 1552–1632, Swiss mathematician and instrument maker. As the official clockmaker (1579–92) to Duke Wilhelm IV of Hesse-Kassell, he developed the first clock with a…
(Encyclopedia) Constantine II, 316–40, Roman emperor, son of Constantine I. When the empire was divided at the death (337) of Constantine I, among the brothers Constantius II, Constans I, and…
(Encyclopedia) John II (John Comnenus)John IIkŏmnēˈnəs [key], 1088–1143, Byzantine emperor (1118–43), son and successor of Alexius I. He was crowned despite the intrigues of his sister, Anna Comnena…
(Encyclopedia) John Paul II, Saint 1920–2005, pope (1978–2005), a Pole (b. Wadowice) named Karol Józef Wojtyła; successor of John Paul I. He was the first non-Italian pope elected since the Dutch…
(Encyclopedia) Michael II (Michael the Stammerer), d. 829, Byzantine emperor (820–29). A native of Phrygia, he fought with Emperor Leo V, whom he had helped gain the throne. Leo had him arrested for…
(Encyclopedia) Muhammad II or Mehmet II (Muhammad the Conqueror), 1429–81, Ottoman sultan (1451–81), son and successor of Murad II. He is considered the true founder of the Ottoman Empire (Turkey).…
(Encyclopedia) Manuel II (Manuel Palaeologus), 1350–1425, Byzantine emperor (1391–1425), son and successor of John V. In his youth he was taken captive by the Turks, and during his reign the Ottomans…
