There are a lot of really interesting people from that era who could make a good story:
Lee Felsenstein - Homebrew Compter Club, Osborne 1, Sol-20 (this + Community Memory is a good story)
Ed Roberts - MITS
Nat Wadsworth - created a PC in 1973, heartbraking story http://www.willegal.net/feature_stories/Nat%20Wadsworth%20-%...
Dr Robert Suding - Create Digital Group computers
Robert Noyce - Founder of Fairfield semi and Intel. Really good book called The Man Behind The Microchip