Sir OLIVER LODGE Physicist Radio wave detector Autograph Signature 3.5"x2.5" card undedicated

great condition card with clear, bold and unfaded signature

Sir Oliver Joseph Lodge, was a British physicist and writer involved in the development of, and holder of key patents for, radio. He identified electromagnetic radiation independent of Hertz's proof and at his 1894 Royal Institution lectures, Lodge demonstrated an early radio wave detector he named the "coherer".
Born:Oliver Joseph Lodge, June 12, 1851, Penkhull, Staffordshire
Died:August 22, 1940, Lake, Wiltshire
Occupation:Physicist and inventor

He was a friend of Arthur Conan Doyle