# Giovanni de Galliano Pieroni

> Giovanni de Galliano Pieroni (1586–1654) was a military engineer specialized in erecting fortifications, architect, mathematician and astronomer who gained particular fame in his day as also as author of horoscopes. Early in his life, he became friendly with the astronomer, mathematician and physicist Galileo Galilei (1564-1642) – like Pieroni, Galileo also wrote on constructing fortifications, and the two shared interest in mathematics and astronomy. He was also a contemporary and friend of Johannes Kepler (1571-1630) while both spent time in Prague.

*Italian mathematician and astrologer (1586-1654)*

**Canonical URL:** https://fame.am/person/giovanni-de-galliano-pieroni

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Country:** Italy
- **Born:** 1586-03-05
- **Died:** 1654-11-07
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 35.1 / 100
- **Momentum:** 0.1 / 100  (trend: FALLING)
- **Historical depth:** 4.6 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 30.0 / 100
- **Profile completeness:** 55.0 / 100

## Sources
- [Giovanni Battista Pieroni](https://cs.wikipedia.org/wiki/Giovanni_Battista_Pieroni)
- [Giovanni Pieroni](https://de.wikipedia.org/wiki/Giovanni_Pieroni)
- [Giovanni de Galliano Pieroni](https://en.wikipedia.org/wiki/Giovanni_de_Galliano_Pieroni)
- [Giovanni Pieroni](https://hu.wikipedia.org/wiki/Giovanni_Pieroni)
- [Пьерони, Джованни де Галлиано](https://ru.wikipedia.org/wiki/%D0%9F%D1%8C%D0%B5%D1%80%D0%BE%D0%BD%D0%B8%2C_%D0%94%D0%B6%D0%BE%D0%B2%D0%B0%D0%BD%D0%BD%D0%B8_%D0%B4%D0%B5_%D0%93%D0%B0%D0%BB%D0%BB%D0%B8%D0%B0%D0%BD%D0%BE)
- [Wikidata](https://www.wikidata.org/wiki/Q5564030)

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