What  French physicist and mathematician was involved in the invention of radio?
André-Marie Ampère André-Marie Ampère ( ; ] ; 20 January 177510 June 1836) was a French physicist and mathematician who was one of the founders of the science of classical electromagnetism, which he referred to as "electrodynamics". He is also the inventor of numerous applications, such as the solenoid (a term coined by him) and the electrical telegraph. An autodidact, Ampère was a member of the "Académie des sciences" and professor at the "École polytechnique" and the "Collège de France".
Pierre Henri Hugoniot Pierre-Henri Hugoniot (born in Allenjoie, Doubs, France on June 5, 1851 – died in Nantes, France in February 1887) who mostly lived in Montbéliard, (Franche-Comté). He was an inventor, mathematician, and physicist who worked on fluid mechanics, especially on issues related to material shock.