Léon Foucault Léon Foucault Jean Bernard Léon Foucault (; 18 September 1819 – 11 February 1868) was a French physicist best known for his demonstration of the Foucault pendulum, a device demonstrating the effect of the Earth's rotation. He also made an early measurement of the speed of light, discovered eddy currents, and is credited with naming the gyroscope. Foucault was the son of a publisher in Paris, where he was born on 18 September 1819. After an education received chiefly at home, he studied medicine, which he abandoned in favour of physics due to a blood phobia. He first directed his
Which? Which? Ltd who report to the Council of Trustees. The Board of Which? Ltd is made up primarily of co-opted members, members of Which? staff and some representative[s] from the Consumers' Association Council. The Consumers' Association is subject to both the Companies Act 2006 and to charity requirements. Since 2012 it is governed by a Council of nine elected and up-to six co-opted members who can serve a maximum of 9 years at any one time. Only Ordinary members of the Consumers' Association can stand for the Council. Any subscriber can become a member of the Consumers' Association by agreeing