A. | E. Kennelly

: He is most famous for independently predicting the existence of an ionized layer in the upper atmosphere that reflects radio waves. This discovery explains how radio signals can travel around the curvature of the Earth.

: Despite having his formal education end at age 14, he became a professor at both Harvard University and MIT. a. e. kennelly

: He served as Thomas Edison's principal electrical assistant at the West Orange Laboratory from 1887 to 1894, working on projects ranging from phonographs to medical applications of electricity. : He is most famous for independently predicting

💡 : Kennelly was a prolific author, publishing over 350 papers and 28 books during his career, despite being largely self-taught in advanced mathematics. : He served as Thomas Edison's principal electrical

If you'd like to dive deeper, I can provide more details on: His specific for AC circuits. His role in the "War of Currents" while working for Edison. A list of his most influential books and publications . The Papers of Thomas A. Edison - Project MUSE