Galileo Galilei quotes (Italian natural Philosopher, Astronomer and Mathematician who made fundamental contributions to the development of the scientific method and to the sciences of motion, astronomy and strength of materials. 1564-1642)
Judith Hayes quotes
Paul Dirac quotes (English theoretical physicist, 1902-1984)
Henri Poincar quotes
George Bernard Shaw quotes (Irish literary Critic, Playwright and Essayist. 1925 Nobel Prize for Literature, 1856-1950)
Dr. Carl Sagan quotes (American Astronomer, Writer and Scientist, 1934-1996)
Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)