Without Baer, the history of video games would have been more difficult.
His idea: Well, there are these television sets everywhere, why not playing with them?
More on the German American inventor Ralph Henry Baer here at Gamasutra.
A video of Baer playing with co-inventor Harrison their Ping-Pong Game (“copied” by Atari as Pong). Pong was the very first video game I have played at home with my father in the 1980s.
The full video about interactive TV