Who was Charles Darwin and what did he discover?
Charles Darwin, in full Charles Robert Darwin, (born February 12, 1809, Shrewsbury, Shropshire, England—died April 19, 1882, Downe, Kent), English naturalist whose scientific theory of evolution by natural selection became the foundation of modern evolutionary studies.
What did Charles Darwin discover in biology?
Darwin’s greatest contribution to science is that he completed the Copernican Revolution by drawing out for biology the notion of nature as a system of matter in motion governed by natural laws. With Darwin’s discovery of natural selection, the origin and adaptations of organisms were brought into the realm of science.
What did Charles Darwin contribute to the cell theory?
Darwin argued that, in what he called higher animals or plants, every cell in their bodies emitted small particles, which were units of heredity, that he called gemmules. The gemmules could either circulate and disperse in the body system, or they could aggregate in the sexual cells located in reproductive organs.
What was Louis Pasteur’s religion?
Louis Pasteur was born on December 27, 1822, in Dole, Jura, France, to a Catholic family of a poor tanner.
Why was Louis Pasteur interested in silkworms?
For Pasteur, the study of silkworms constituted an initiation into the problem of infectious diseases, and it was then that he first became aware of the complexities of infectious processes.
When did Louis Pasteur become Professor of Chemistry?
In 1867 Pasteur resigned from his administrative duties at the École Normale Supérieure and was appointed professor of chemistry at the Sorbonne, a university in Paris. Although he was partially paralyzed (left hemiplegia) in 1868, he continued his research.
Who was involved in the Louis Pasteur debate?
During the 18th century the debate was pursued by the English naturalist and Roman Catholic divine John Turberville Needham and the French naturalist Georges-Louis Leclerc, count de Buffon.
How did Louis Pasteur prove there was no spontaneous generation?
These experiments proved that there was no spontaneous generation, since the boiled broth, if never reexposed to air, remained sterile.
