Nobel Prize–winning, Italian-born engineer (1874–1937) whose development of “wireless telegraphy,” better known to the world at large as radio, would come to exert a profound and immeasurable influence not only on communications, but on modern civilization itself. Vintage ink signature, “Very sincerely yours, G. Marconi,” on an off-white 2.5 x 2 slip. Framed and matted with a photo to an overall size of 10 x 16 and accompanied by a separately framed Marconi Wireless Telegraph Company stock certificate. In fine, clean condition. R&R COA.
