Serbian inventor, electrical engineer, mechanical engineer, and futurist Nikola Tesla was born #OTD in 1856.
Some of Tesla´s inventions and innovations: alternating Current (AC) system; induction motor; Tesla coil; wireless transmission of electricity; radio technology; remote control; neon and fluorescent lighting; X-Ray technology; Tesla turbine; oscillators and frequency generators.
https://en.wikipedia.org/wiki/Nikola_Tesla
Books by Nikola Tesla at PG:
https://www.gutenberg.org/ebooks/author/5067