# Mathematician:Lodovico Ferrari

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## Mathematician

Italian mathematician who was a student of Gerolamo Cardano.

First one to devise a solution to the general quartic equation, which was later published by Cardano and is now known as Ferrari's Method.

## Nationality

Italian

## History

- 2nd February 1522: Born in Bologna, Papal States (now Italy)
- 30th November 1536: Went to work for Gerolamo Cardano, and became his student of mathematics
- 1540: Discovered solution of the quartic equation
- 1541: Became a public lecturer in geometry
- 10th August 1548: Defeated Tartaglia in a public algebra contest
- 1565: Called to a professorship in the University of Bologna
- 5th October 1565: Died in Bologna (supposedly murdered by his sister Maddalena by arsenic).

## Theorems

- Ferrari's Method for solving the quartic.

Results named for **Lodovico Ferrari** can be found here.

## Publications

- Collaborated with Gerolamo Cardano on his
*Artis Magnae, Sive de Regulis Algebraicis*

## Also known as

Some sources report his forename as **Ludovico**.

## Sources

- John J. O'Connor and Edmund F. Robertson: "Lodovico Ferrari": MacTutor History of Mathematics archive

- 1971: Allan Clark:
*Elements of Abstract Algebra*... (previous) ... (next): Introduction - 1986: David Wells:
*Curious and Interesting Numbers*... (previous) ... (next): A List of Mathematicians in Chronological Sequence - 1986: David Wells:
*Curious and Interesting Numbers*... (previous) ... (next): $4$ - 1997: David Wells:
*Curious and Interesting Numbers*(2nd ed.) ... (previous) ... (next): A List of Mathematicians in Chronological Sequence - 1997: David Wells:
*Curious and Interesting Numbers*(2nd ed.) ... (previous) ... (next): $4$ - 1998: David Nelson:
*The Penguin Dictionary of Mathematics*(2nd ed.) ... (previous) ... (next): Entry:**Ferrari, Ludovico**(1522-65) - 2004: Ian Stewart:
*Galois Theory*(3rd ed.) ... (previous) ... (next): Historical Introduction: Polynomial Equations - 2008: David Nelson:
*The Penguin Dictionary of Mathematics*(4th ed.) ... (previous) ... (next): Entry:**Ferrari, Ludovico**(1522-65) - 2008: Ian Stewart:
*Taming the Infinite*... (previous) ... (next): Chapter $4$: Lure of the Unknown: Cubic equations