Famous Scientists and What They Did : Pre-K Science Series

was a French mathematician, physicist, inventor, writer and Christian philosopher. Blaise Pascal along with Wilhelm Schickard was one of two inventors of the mechanical calculator.

was a French physicist and mathematician. He was one of the founders of the science of classical electromagnetism.

Andre Marie Ampere

was a Scottish-born scientist, inventor, engineer and innovator. He studied the human voice, experimented with sound and is credited with the invention of the first practical telephone.

Alexander Graham Bell

was a Renaissance mathematician and astronomer. He formulated a model of the universe that placed the Sun rather than the Earth at the center of the universe.

was an 18th-century English theologian, Dissenting clergyman and natural philosopher. He is usually credited with the discovery of oxygen.

was an English chemist, physicist, and meteorologist. John Dalton invented the atomic theory.

was a Greek philosopher. His writings cover many subjects including physics, biology, zoology, metaphysics, logic, ethics, aesthetics, poetry, theater, music, rhetoric, linguistics, politics and government.

was a Scottish scientist in the field of mathematical physics. James Maxwell brought together the ideas of electromagnetic fields.