Sir Joseph John Thomson (dec 18, 1856 – aug 30, 1940)
Description:
-Added the Negatively Charged Electron.-Discovered that materials, when rubbed, develop a charge difference.
-Thomson figures that these Negatively Charged Subunits are found inside each atom.
Added to timeline:
Date:
dec 18, 1856
aug 30, 1940
~ 83 years