De Morgan

Stymied by the problem, famed mathematician Augustus De Morgan grew obsessed and concluded that a new axiom—which in math is a statement that’s assumed to be true without proof, from which more complicated statements can be derived—must be added to the foundations of math to resolve Guthrie’s conjecture.

Falcons: Ryan sustained the cut on his left hand when Panthers DE Morgan Fox stepped on it in the second quarter.

Defaced by early Coptic Christians, damaged by earthquakes and even mined for building materials, Kom Ombo was in disrepair until 1893, when it was cleared by the French archaeologist Jean-Jacques de Morgan.

Sublime Symmetry Victorian ceramicist William De Morgan studied Islamic art, and his glowing tiles and pots emulate its divine geometries.

The researchers say that by the end of her correspondence with De Morgan she had reached a university-level understanding of mathematics, and that her teacher was already introducing her to open-ended abstract questions.