These 5 African-American inventors improved the world скачать в хорошем качестве

These 5 African-American inventors improved the world

Alexander Miles, Charles Richard Drew, Marie Van Brittan Brown, Shirley Ann Jackson, and Mark E. Dean are just a few notable African-American inventors. We live in a world with blood banks, automated elevators, caller ID, and color computer monitors because of their work. -------------------------------------------------- Follow BI Video on Twitter: http://bit.ly/1oS68Zs Follow BI on Facebook: http://bit.ly/1W9Lk0n Read more: http://www.businessinsider.com/ -------------------------------------------------- Business Insider is the fastest growing business news site in the US. Our mission: to tell you all you need to know about the big world around you. The BI Video team focuses on technology, strategy and science with an emphasis on unique storytelling and data that appeals to the next generation of leaders – the digital generation.