Friedrich Olbricht (4 October 1888 - 21 July 1944) was a German general and one of the plotters involved in the attempt to assassinate Adolf Hitler at the Wolfsschanze in East Prussia on 20 July 1944. Wikipedia
The definitive Wikipedia entry for Friedrich Olbricht. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Friedrich_Olbricht