Robert Millikan (mar 22, 1868 – dec 19, 1953)
Description:
1868 - 1953 AD in The United States-Studied the elementary electric charge
-Studied the photoelectric effect
-Determined the specific charge of an elementary electric charge
-Described the photoelectric effect based on methods of Einstein
-Obtained an exact value of Planck’s constant through research
Added to timeline:
Date:
mar 22, 1868
dec 19, 1953
~ 85 years