April 30, 1897: J.J. Thomson Announces the Electron … Sort Of

The great physicist didn't give us the name or the structure or the exact mass, but he was the first to identify a subatomic particle.

Source: http://www.wired.com/thisdayintech/2012/04/april-30-1897-j-j-thomson-announces-the-electron-sort-of/

AMPHENOL ANIXTER INTERNATIONAL APPLE COMPUTER APPLIED MATERIALS ARIAN SEMICONDUCTOR EQUIPMENT