# Mathematician:Urbano d'Aviso

(Redirected from Mathematician:Buonardo Savi)

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## Mathematician

Italian student of Bonaventura Francesco Cavalieri best known for Trefoil Knot in Paper forms Pentagon.

## Nationality

Italian

## History

- Born: 25 May 1618 in Rome
- Died: 17th September 1686

## Theorems and Definitions

## Publications

- 1656:
*Trattato della Sfera*(under the alias "Buonardo Savi")- 1682:
*Trattato della Sfera, 2nd ed.* - 1690:
*Trattato della Sfera, 3rd ed.*(credited to Bonaventura Cavalieri)

- 1682:

## Also known as

His name was written in many different ways, for example:

**Urbano (Giovan Francesco) Davisi****D'Aviso**,**Avvisi**,**De Aviso**,**De Avisus**- in the Latinized form
**Avisius** - under the anagram
**Buonardo Savi**