Inventors, Makers, Barrier Breakers

Klappentext

What does it take to change the world? This book provides inspiring, in-depth stories of more than 25 diverse American inventors and entrepreneurs from Colonial times to the present. Richly illustrated with photographs in color and black-and-white, Inventors, Makers, Barrier Breakers focuses on the process of invention, its joys and frustrations, social progress, and the obstacles each inventor had to overcome.