…eved March 28, 2022 ^ a b c "Elihu Thomson - Engineering and Technology History Wiki" . www.ieeeghn.org . Retrieved April 13, 2018 . ^ a b "Elihu Thomson Eightieth Birthday Celebration at the Massachusetts Institute of Technology" (The Technology Press: 29 March 1933) ^ a b c Fit…

… Broadcast by Reginald A. Fessenden, 1906" . Engineering and Technology History Wiki (ethw.org) . Retrieved 29 October 2015 . ^ Belrose, John (April 2002). "Reginald Aubrey Fessenden and the Birth of Wireless Telephony" (PDF) . IEEE Antennas and Propagation Magazine . 44 (2): 38–…