TELECOMMUNICATION
the transmission of information in the form of electromagnetic signals
Lee De Forest inventor who considered himself the father of radio
Philo Taylor Farnsworth inventor of television
Almon Strowger undertaker-turned-inventor
Echo 1 the world's first communications satellite capable of relaying signals
Telstar the first active communications satellite
Duoscopic
Fax Machine
The "Mite"
Picturephone
Push-Button Telephone
Radio in 1961
Telephone Distributing Frame