Reginald Aubrey Fessenden (1866-1932) - On Christmas 1906 Reginald Aubrey Fessenden realised the first public voice broadcast ever at his Radio-Telephone Installation at Brant Rock. Because of this his name is often mentioned in relation to the invention of the radio. But, as Dave Riley notes, - http://www.icce.rug.nl/~soundscapes/VOLUME02/Reginald_Aubrey_Fessenden.html
Fessenden - Set up 420 foot tower and similar station in Scotland for the first two way trans-Atlantic telegraph - http://www.marshfield.net/History/mar3.htm