You are here

On This Day

  • 12-7-1830

    Birthdate of Italian geometer Antonio Luigi Gaudenzio Guiseppe Cremona. He was born in Lombardy and would invent "graphical statics."

    More information about:
    Luigi Cremona
  • 12-7-1853

    Cantor wrote Dedekind that the real numbers are uncountable. Five days earlier he had written that he "had never seriously concerned himself with the problem, since it seemed to have no practical value."

    More information about:
    Georg Cantor
    Cantor's Diagonal Argument
  • 12-7-1948

    The first transistor, short for transfer resistor, was developed at Bell Labs. The 1956 Nobel Prize in Physics was awarded to three Bell scientists for the science behind the invention.

    More information about:
    Transistor
    Bell Labs

Dummy View - NOT TO BE DELETED