On This Day ...
Important events from the history of math that happened on this day:
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December 7th
| 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 |
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| 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 |
| 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 |
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