Do you know the history of Radar?

Just something to get the neurons firing over the Xmas season.

http://en.wikipedia.org/wiki/History_of_radar

I know the basics of it but its always cool to do some research on Radar on how and who brought it up to what it is today.

History of how and why things were developed always interested me.

Here is a small snippet of traffic RADAR history: http://www.pbelectronics.com/police_radar_history.htm