British physicist and chemist (1791–1867) best known for his development of the first dynamo and the discovery of electromagnetic induction. Two circa 1860s albumen carte-de-visite portraits of Faraday, one by J. Gurney & Son of New York and one by John Watkins of London. Pencil notes to reverse, and album paper remnants to reverse of one, otherwise light general wear. RR Auction COA.