By editor
Originally published on Mon December 24, 2012 10:56 am
Transcript
CELESTE HEADLEE, HOST:
Switching gears now. When you think of inventors, you probably think of Thomas Edison, Ben Franklin, Nikola Tesla. But of course there are many people, especially people of color, who've created things that we used every day and yet we might not have heard of them. It was an African-American, for instance, who helped develop the modern traffic light and a Japanese man who thought up instant coffee.
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