[1]: http://en.wikipedia.org/wiki/Claude_E._Shannon
[2]: http://en.wikipedia.org/wiki/Information_theory
[3]: http://en.wikipedia.org/wiki/A_Mathematical_Theory_of_Commun...
After having read some of McLuhan's work, which provides theories that explain much of the effect information technology continues to have on our society, this helped me understand much better where he is coming from and what his opinion was on what he saw in his time (which he omits in his work).
Incredibly insightful book, totally transformed my understanding of the world.
Birkeland worked to find the source of the northern lights, but he sold other inventions in order to fund his research.
Von Braun was a chief rocket engineer of the Third Reich and later on became one of the fathers of the U.S. space program. His accomplishments in space technology are mindboggling.