Venture often and don’t worry about failure. That’s how you become an entrepreneur and have fun along the way. Len Krane’s had successes and failures in 33 ventures during his 77-year career. Each venture includes the startup and outcome, his profits or losses, and what he learned catching “waves” of innovation.

Famous, wealthy people helped him: Eli Broad, KB Home, Broad Museum; Ed Pauley, Pauley Petroleum, Pauley Pavilion; Ray Stark, famed movie producer; Bill Belzberg, Far West Financial; and others.