Mathematicians Of The Day

12th September

On this day in 1859, Urbain Le Verrier presented a paper to the Academy of Sciences in which he attributed the advance of the perihelion of Mercury to an undiscovered planet, which he called Vulcan, closer to the Sun than Mercury or to a second asteroid belt so close to the Sun as to be invisible.

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Quotation of the day

From Serge Lang
The problems of financing the universities and their intellectual freedom, threatened by political and bureaucratic interference, are problems which are invariant under the ism transformations: socialism, communism, capitalism, or any other ism or ology.
Quoted in D MacHale, Comic Sections (Dublin 1993)