Galileo Galilei (1564-1642)
Born February 15 1564 in Pisa, in a declining family of Florentine patricians. In 1581 he was sent to study medicine at the University of Pisa, but never showed much interest in the subject and starting in 1583 devoted himself exclusively to mathematics and philosophy. [...]

Isaac Newton (1642-1727)
Born December 25 1642 (4 January 1643 on the Gregorian calendar, then not yet adopted in England), in Woolsthorpe, Lincolnshire.Already showing signs of an exceptional intellect ---and solitary personality--- in grammar school, he was admitted in June 1661 to Trinity College, Cambridge[...]

Alfred Day Hershey
Alfred Day Hershey was born on December 4th, 1908, in Owosso, Michigan. He studied at the Michigan State College, where he obtained B.S. in 1930, and Ph.D. in 1934. In 1967 he got an honorary D.Sc. at the University of Chicago.[...]

James Dewey Watson
James Dewey Watson was born in Chicago, Ill., on April 6th, 1928, as the only son of James D.Watson, a businessman, and Jean Mitchell.His father's ancestors were originally of English descent and had lived in the midwest for several generations. [...]

Louis Pasteur (1822 - 1895)
Louis Pasteur was born on December 27, 1822 in Dole, in the region of Jura, France. His discovery that most infectious diseases are caused by germs,known as the "germ theory of disease," is one of the most important in medical history.[...]