1791 - Michael Faraday was born.

John Cochran, 1846

Faraday was an English natural philosopher who made several contributions to the study of electricity and magnetism. He built the first electric motor and discovered electromagnetic induction and of the laws of electrolysis. He also discovered the chemical benzene and introduced the concept of oxidation numbers. The SI unit of capacitance, farad, is named in his honor. The faraday constant is the charge equivalent of a mole of electrons.