Ferro Scipione LED

Scipione LED Ferro , born with Bologna the February 6th 1465 and deceased in Bologna the November 5th 1526, was a Mathématicien Italian.

He occupied a post of professor in Arithmétique and Géométrie with the Université of Bologna starting from 1496.

He is known for his contribution to the resolution by radicals of the equation of degree three, which he did not publish, undoubtedly because the pulpit of mathematics of the university was put at the contest with regular intervals, according to a ritual where the solution to problem of arithmetic was with the program.

But one knows by the account of Cardan joint that del dying Ferro would have entrusted its method to one of its students, Antonio Fior.

This student, being later in competition with Tartaglia for a station at the university, forced to him to solve a certain number of cubic equations. Tartaglia guessed that its adversary had a universal algorithm, that thus such an algorithm existed, and it found it itself.

Thus the Ferro name and lucky find del will be quoted later in the controversy which will oppose Cardan and Tartaglia on this subject.

References

Lagrange - Lessons of mathematics given to the Teacher training school of year III (1794) - ED. ENS,

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