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. TLS signed “G. Marconi,” one page, 8 x 10, Reale Accademie d’Italia letterhead, June 3, 1931. Marconi writes to G. Goudsmit at the University of Michigan. In part: “I have to thank you for your kind acceptance of our invitation to the Meeting on Physics promoted by the ‘Volta Foundation’…. I beg to inquire whether you would be willing to read a paper on ‘Spectroscopy and Nuclear Moments’…. An early notice of your readiness to write the above paper would be greatly appreciated….” A few subtle wrinkles and a mild scattered soiling, otherwise fine condition. R&R COA.