American inventor Lee De Forest was a pioneer of radio and motion pictures. He received more than 300 patents over the course of his lifetime, the most important of which was for a three-electrode vacuum tube, or triode, that he called...

Siegmund Loewe was a German engineer and businessman that developed vacuum tube forerunners of the modern integrated circuit. He pioneered both radio and television broadcasting, and the company he established with his brother, David...

Jack the Rapper (Jack Gibson) helped open the first African-American-owned radio station in the United States, WERD in Atlanta, Georgia, in 1949. Gibson learned about radio while working as a gofer for deejay Al Benson in Chicago. He...