What  French physicist and mathematician was involved in the invention of radio?
Invention of radio Many people were involved in the invention of radio as we know it today. Experimental work on the connection between electricity and magnetism began around 1820 with the work of Hans Christian Ørsted, and continued with the work of André-Marie Ampère, Joseph Henry, and Michael Faraday. These investigations culminated in a theory of electromagnetism developed by James Clerk Maxwell, which predicted the existence of electromagnetic waves.
Lucien Vidi Lucien Vidie (1805, Nantes – April 1866, Nantes) was a French physicist. In 1844 he invented the barograph, that is, a device to monitor pressure, a recording aneroid barometer.