Aristotle, the philosopher and scientist, was most responsible for developing the theory of spontaneous generation. The person perhaps most associated with the theory, however, is Louis Pasteur, who actually disproved the theory.
hugo de varies
Charles Darwin
The Geocentric Theory was developed by Greek astronomers. The theory was that celestial bodies moved around Earth in circular paths.
he was a German mathematician and scientist who contributed to many fields, number theory, analysis, statistics, geometry, electrostatics, astronomy and optics
I would use the word "theory" in a sentence like this: "The scientist presented a new theory to explain the findings of the experiment."
scientific method or postulation or a theory
They use them to make new observations, that may result in the change of their theory.
ideas
A psychologist would use the scientific method to test a theory, just as any other scientist would.
Jean-Baptise de Lamarck (french)
The Atomic Theory
Cell Theory
experiments test the scientist theory
theory
the russian scientist pavlov.
theory