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He was one of the first to call attention to the cause of civil rights and the fight against segregation.

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He was one of the first to call attention to the cause of civil rights and the fight against segregation.

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He challenged the concept of how men were created and proposed a theory of evolution that is still the most accepted.

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He challenged the concept of how men were created and proposed a theory of evolution that is still the most accepted.

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He was the first to teach a philosophy of nonviolence to peacefully protest against the British rule in India.

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He was the first to teach a philosophy of nonviolence to peacefully protest against the British rule in India.

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His ideas helped make great advancements in many areas, ranging from astronomy to physics to painting.

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His ideas helped make great advancements in many areas, ranging from astronomy to physics to painting.

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He challenged the Church by saying that the Earth revolved around the sun and not the opposite.

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He challenged the Church by saying that the Earth revolved around the sun and not the opposite.

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His theories of relativity changed the way scientists saw the world. He also campaigned for a peaceful world.

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His theories of relativity changed the way scientists saw the world. He also campaigned for a peaceful world.