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American Inventors

Edwin Armstrong on the beach with his wife and his portable superheterodyne radio 1923
Yesterday, @richardeaston wrote a post Affirmative Action in Inventions in which he noted that in recent years a black female, Dr. Gladys West, has been given credit for inventions associated with GPS for which the credit belongs to others. I was going to comment on Richard’s post; but, my comment got too long and I think this post can stand on its own.