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On This Day

  • 9-3-1803

    English chemist John Dalton used symbols to represent the atoms making up molecules of different elements. Dalton (1766-1844) also worked on color-blindness.

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    John Dalton
  • 9-3-1814

    James Joseph Sylvester born in London. He was the youngest child of Abraham Joseph and was born James Joseph. His oldest brother, an actuary, migrated to the U.S. and took the surname Sylvester. The rest of the family soon followed suit, so that is how James Joseph Sylvester got his name.

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    James Joseph Sylvester
  • 9-3-1884

    Solomon Lefschetz born in Moscow, Russia. He invented the word "topology" and founded algebraic topology.

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    Solomon Lefschetz
    Topology

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