Herbert Hoover quotes (American President, 1874-1964)
Thomas Berger quotes
Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
John Dewey quotes (American Philosopher, Psychologist and Educator, 1859-1952)
Charles Pierce quotes (American Musical Actor and Comedian, famous for his female impersonations 1926-1999)
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)
Maria Montessori quotes (Italian Physician and Educator. 1870-1952)
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)
William Bragg, Sr. quotes
