Faraday phenomenon (magnetooptics)

Motivation

https://upload.wikimedia.org/wikipedia/commons/thumb/a/a5/Faraday_effect.svg/400px-Faraday_effect.svg.png

When Michael Faraday during his systematical experiments discovered affect of magnetic field on plane of linear polarization of light in 1845, which was rotated, J. C. Maxwell was very close to understanding to electromagnetic waves.