Who discovered the transmission of first-ever electronic message in the world ‘LO’ in 1969? September 18, 2021September 18, 2021 administrator Who discovered the transmission of first-ever electronic message in the world ‘LO’ in 1969?Charley KlineWell Done. Your Answer is Correct Keep it Up!Peter L. JensenEmile BerlinerJames E. Casey Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like this:Like Loading...