## Oswald Veblen and Foundations of modern Topology

On June 24, 1880, American mathematician, geometer and topologist Oswald Veblen was born. Veblen‘s work found application in atomic physics and the theory of relativity. He proved the Jordan curve theorem in 1905 while this was long considered the first rigorous proof, many now also consider Jordan‘s original proof rigorous. “Mathematics is one of the essential emanations of the human spirit, a thing to be valued in and for itself, like art…

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