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John Dalton worked in the first years of the 19th century.
Albert Einstein did not have any inventions. He did come up with some revolutionary theory's about space and time and his theory's helped in the development of the atomic bomb.
Atomic theory
I'm sorry, I don't know what that means. Maybe this: Atomic theory is a theory that matter is made up of small particles called atoms
what theory did fleming come upwith
It depends. If you mean just any old atomic theory, credit usually goes to either Democritus or his mentor Leucippus. However, if you mean an atomic theory that wasn't totally blowing smoke out their nether regions, was backed up by actual experimental data, and at least resembled the truth in certain ways if you squinted hard enough, I'd say John Dalton is probably your guy.
Dalton proposed it in Dalton's atomic theory (i think)
he looked up blood pressure
democritus was greek philosophers.
The Theory of Heredity
he came up with the theory of atomic numbers
Atoms are made up of smaller particles.