# Richard Courant (nonfiction)

From Fiction Wiki

**Richard Courant**(January 8, 1888 – January 27, 1972) was a German American mathematician.

He is best known by the general public for the book *What is Mathematics?*, co-written with Herbert Robbins.

Commenting upon his analysis of experimental results from in-laboratory soap film formations, Courant believed that the existence of a physical solution does not obviate mathematical proof:

Empirical evidence can never establish mathematical existence--nor can the mathematician's demand for existence be dismissed by the physicist as useless rigor. Only a mathematical existence proof can ensure that the mathematical description of a physical phenomenon is meaningful.

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External links:

- Richard Courant @ Wikipedia