There are many heroes in this world, but not all of them are famous. Scientists, inventors and just everyday heroes are far less known than the latest movie star, a fact that is just a little sad.
But these people didn't do what they did for glory, they did it to help, and so they did.
Here are 10 people who have, in their own ways, saved countless lives and at times, the entire planet. They deserve to be known.
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