British physicist and chemist (1791–1867) best known for his development of the first dynamo and the discovery of electromagnetic induction. ALS signed “M. Faraday,” one page, 3.5 x 3.5, no date. Faraday writes to “My Dear Martin.” In full: “I have just received yours and write in great haste to catch the post.” Matted with an unsigned nineteenth-century engraving and engraved plaque to an overall size of 10 x 19. A touch of subtle scattered soiling, otherwise fine condition. R&R COA.