What did theodor svedberg discover on the atom?

Theodor W. Engelmann discovered through a now classic experiment that the wavelengths of light have an affect on photosynthesis, more specifically that violet-blue and red portions of the visible...

He did not necessarily discover the atom but helped further the theory of atoms.

the telephone

This is Dalton's Atomic Theory: Dalton's Atomic Theory1) All matter is made of atoms. Atoms are indivisible and indestructible.2) All atoms of a given element are identical in mass and properties3)...

The first person to propose that matter was madeof atoms was a Greek philosophernamed Democritus.