BLACK INVENTORS - Kathy Trusty - Bog

"Throughout history, Black inventors have achieved some of the world's greatest advancements in science, technology, engineering, and math. This book highlights 15 men and women who made a big impact with their inventions--from Marie Van Brittan Brown, who created the first home security system, to Mark Dean, who invented the personal computer. Learn all about each inventor's creative process, their invention, and the way it's benefited our world."--Publisher's description.