Philo Farnsworth, a 14 year old boy in highschool, found that an electron beam could send pictures back and forth. Philo convinced his teacher to let him sit in a senior level electronics course.Philo was too slow at finishing it and Russian immigrant Vladimir Zworykin. He had a patent but there was no proof he made the transmitter from the design. http://www.essortment.com/all/whoinventedfir_rskl.htm