jan 1, 1910 - Robert Millikan
Description:
1. He contributed to the understanding of the atom because he accurately determined that the charge is carried by an electron.2. An important experiment he conducted was the falling-drop method which helped him find out that the charge was carried by an electron. It involved balancing two electrostatic and gravitational forces.
Added to timeline:
Date:
jan 1, 1910
Now
~ 115 years ago