Biography of William Harvey (1578-1657) who proved that blood circulates around the body.

Homepage and Biography of Steven William Hawking (born 1942) whose book 'A Brief History of Time' is about seeking a unified theory of the universe.

A biography of Hippocrates. A Greek Pysician and Mathematician who is chiefly known for 'the Hippocratic oath'.

Biography of Edwin Powell Hubble (1889-1953) the American Astronomer after whom the Space Telescope is named.

Biography of Antoine Laurent Lavoisier (1743-1794). A French chemist who is best known for his work with Oxygen.

A look at the scientific work of Leonardo Da Vinci (1452-1519) who came up with early sketches for the parachute and the helicopter.

Biography of Carl Linnaeus (1707-1778) who introduced the method of naming plants and animals with two Latin names.

Biography of Joseph Lister (1827-1912)after whom Listerine is named.

Biography of Charles Lyell (1797-1875) the founder of modern geology.

Biography of Gregor Johann Mendel (1822-1884) the founder of modern genetics.

This is a whole site dedicated to that giant of giant scientists Isaac Newton (1642-1727).

Learn about Newton's discoveries and secret life, color, illusions, observations from nature and fascinating facts. There's copyright issues and a Newton Timeline. Take quiz to see art in the new MoMA

Biography of Louis Pasteur (1822-1895)the French chemist and bacteriologist.

Biography of Wilhelm Konrad Rontgen (1845-1923) who discovered x-rays.

Biography of Joseph John Thomson (1856-1940) who discovered electrons.