Original theory of relativity: Galileo Galilei
The theories of general and special relativity: Albert Einstein
Albert Einstein developed the theory of relativity.
Albert Einstein developed the theory of relativity between 1907 through 1915. It was further developed by Max Planck, Hermann Minkowski, and others.
If you are referring to the theory of relativity it would be Albert Einstein
Albert Einstein
kautiliya propounded saptang theory
darvin
kautilya
aryabhatta
Milton Friedman propounded the Wealth Theory of Demand for Money. It is also known as Restatement of Quantity Theory of money.
Galileo Galile wrote "the Theory of Relativity", and Einstein wrote the General theory of relativity and the special theory of relativity.
explain theory of absolute cost advantage as propounded by Adam smith
Isaac newton
thorndike
It is the empirical theory of Causality as propounded by hume.
The Innovation Theory of Profit has been propounded by: F.H. Knights Keynes F.B. Hawley Kent Joesph Schumpeter.
The theory of relativity was introduced by Albert Einstein in 1905 with his special theory of relativity, and later expanded with the general theory of relativity in 1915.