| 1. | Lagrange - Joseph Louis Lagrange (1736-1813) | | | The greatest mathematician of the 18th century, in his letter, written at 19, to Euler, he solved the isoperimetrical problem, to effect the solution he enunciated the principles of the calculus of variations. www.maths.tcd.ie |
| 2. | Wallis, John (1616-1703) | | | Contributed substantially to the origins of calculus and was the most influential mathematician before Newton. turnbull.dcs.st-and.ac.uk |
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