Faraday: major discoveries

Faraday made many large contributions to natural philosophy. He discovered electro-magnetic rotations in 1821, electro-magnetic induction in 1831 and the laws of electrolysis in the early 1830s. Later on he discovered the magneto-optical effect and diamagnetism in 1845 and, between 1845 and the late 1850s, he established the field theory of electro-magnetism. Faraday was Director of the RI's laboratory between 1825 and 1867 and Fullerian Professor of Chemistry from 1833 to 1867. He was also Professor of Chemistry at the Royal Military Academy, Woolwich, from 1830 to 1851.

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