Who was the discovered electron

J. J. Thompson discovered the electron. The electron has a negative charge. It is found around the nucleus in the orbital cloud.

Electron was discovered by J. J. Thompson. In the year 1887 J. J. Thompson discovered the electron. All atoms are made up of a heavy nucleus and the nucleus is surrounded by electrons. Electron is part of all matter that surrounds us. J. J. Thompson received the Nobel Prize for his discovery of electron in the year 1906. The electron is subatomic particles that have a negative electric charge. The mass of an electron is approximately 1/1836 of a proton.