Radio History

Empires of the Air: The Men Who Made Radio, Tom Lewis

The Idea Factory: Bell Labs and the Great Age of American Innovation, Jon Gertner

Crystal Fire: The Invention of the Transistor and the Birth of the Information Age, Michael Riordan and Lillian Hoddeson

Computers

Dealers of Lightning: Xerox PARC and the dawn of the Computer Age, Michael Hiltzik

Where Wizards Stay up Late: the birth of the internet, Katie Hafner

Journey Through Genius: The Great Theorems of Mathematics, William Dunham