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Probably his Special Theory of Relativity.
Evoloution
yb
Alfred Wegener!
Alfred Wegener.
John Dalton
Karl Marx
Charles Darwin.
Albert Einstein is not credited with making or inventing anything. He is credited with the development of a number of physics theories such as the special theory of relativity and the general theory of relativity.
Albert Einstein is credited with the theory that the speed of light is constant. He is also credited with stating the laws of physics exist everywhere.
Friedrich Ratzel is credited as the creator of the Organic Theory. He was a German geographer who also developed the concept of living space.
John Dalton