A famous Greek philosopher. He lived from 384 BC until 322 BC. His ideas about science were very important until they were replaced by Newton's ideas, which did a better job of explaining the world.

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A Danish physicist who had important ideas about atomic structure and quantum mechanics. He lived from 1885 until 1962.

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A Bengali physicist, biologist, botanist, and archaeologist. He pioneered the investigation of radio and microwave optics and made very significant contributions to plant science. He lived from 1858 to 1937.

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An American marine biologist whose book Silent Spring advanced the global environmental movement. She lived from 1907 until 1964.

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A Polish mathematician and astronomer who proposed a model of the universe placing the Sun, rather than the Earth, at the center. He lived from 1473 until 1543.

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An English molecular biologist, biophysicist, and neuroscientist. He was a co-discoverer of the structure of the DNA molecule together with James Watson. He lived from 1916 until 2004.

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A Polish physicist and chemist, working mainly in France, who is famous for her pioneering research on radioactivity. She lived from 1867 until 1934.

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An English naturalist who proposed the Theory of Evolution. He established that all species of life have descended over time from common ancestors. He wrote a famous book called "On the Origin of Species." He lived from 1809 until 1882.

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An American inventor and businessman. He developed many devices that greatly influenced life around the world, including the phonograph, the movie camera, and a long-lasting, practical electric light bulb. He lived from 1847 until 1931.

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A German-born physicist who developed the general theory of relativity. He lived from 1879 until 1955.

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An Italian physicist, mathematician, astronomer, and philosopher who played a major role in the initiation and development of modern science. He lived from 1564-1642.

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