The official story is that Heinrich Hertz, born in 1847 was the first to send and receive radio signals between 1885 and 1889. Actually it had been done twice before in 1866 by Mahlon Loomis and in 1879 by David E Hughes. Here the speaker looks at the intriguing system developed by Loomis. This event is sponsored by the UQ School of Physical Sciences and the AIP.

Further Info:

http://www.physics.uq.edu.au/physics_museum/tools_of_science