Well, at the time it was proved, it was a theory. Then, Arno Penzias, a nobel laureate, and a physicist, found cosmic background radiation, which helped to prove what happened when there was a gigantic explosion.
Astronomer. I hope this has helped you.
Johannes Kepler,(German)
Two non German authors who helped to convince Hitler that his ideas about Aryans were correct were Churchill and Louis Kilzer. Another answer is Englishman Houston Stewart Chamberlain. His book of 1899 gave his thoughts on German superiority based on the Teutons. Also the book by the Frenchman, Count Joseph Gobineau in 1855 named Aryans as the superior race.
Benjamin Banakker
Benjamin Banneker
Benjamin Banneker
Benjamin Banneker
it helped mao Zedong convince the red guards to launch
It has helped the scientists predict the weather, learn how the planets actually are, and understand what space actually is.
Their enemy
The Battle of Saratoga.
The principle of fossil succession and the theory of evolution have helped scientists explain the fossil record.