---
name: Hero of Alexandria
name_greek: Ἥρων ὁ Ἀλεξανδρεύς
eul_aid: odi
canonical: "https://eulogikon.org/authors/hero-of-alexandria-odi"
period: Roman
dialect: Technical Koine
works_count: 16
license: "https://creativecommons.org/publicdomain/mark/1.0/"
---

# Hero of Alexandria

*Ἥρων ὁ Ἀλεξανδρεύς*

**eul_aid:** `odi` · [HTML page](https://eulogikon.org/authors/hero-of-alexandria-odi)

Hero of Alexandria, 1st century CE Roman engineer. Sixteen treatises on mechanics and pneumatics. Free to read and download from the Greek library archive.

## Works

- [Art of War Machines](https://eulogikon.org/works/hero-alexandria-war-machines-odi-ad) — *Βελοποιικά* · `odi-ad`
- [Book of Agriculture](https://eulogikon.org/works/hero-alexandria-agriculture-odi-ae) — *Γεωπονικόν* · `odi-ae`
- [Catoptrics](https://eulogikon.org/works/hero-alexandria-catoptrics-odi-am) — *Κατοπτρικά* · `odi-am`
- [Construction and Symmetry of the Hand Ballista](https://eulogikon.org/works/hero-alexandria-hand-ballista-odi-aa) — *Χειροβαλλίστρας κατασκευὴ καὶ συμμετρία* · `odi-aa`
- [Definitions](https://eulogikon.org/works/hero-alexandria-definitions-odi-aj) — *Ὅροι* · `odi-aj`
- [Dioptra](https://eulogikon.org/works/hero-alexandria-dioptra-odi-ao) — *Διόπτρα* · `odi-ao`
- [Fragments of Mechanics](https://eulogikon.org/works/hero-alexandria-mechanics-odi-ac) — *Ἀποσπάσματα Μηχανικῶν* · `odi-ac`
- [Fragments-Horoscopes](https://eulogikon.org/works/hero-alexandria-horoscopes-odi-ab) — *Ἀποσπάσματα περὶ Ὡροσκοπίων* · `odi-ab`
- [Geodesy](https://eulogikon.org/works/hero-alexandria-geodesy-odi-ap) — *Γεωδαισία* · `odi-ap`
- [Geometrical Works](https://eulogikon.org/works/hero-alexandria-geometrical-works-odi-ag) — *Γεωμετρικά* · `odi-ag`
- [Heronian Fragments](https://eulogikon.org/works/hero-alexandria-fragments-odi-af) — *Ἀποσπάσματα Ἡρωνιακά* · `odi-af`
- [Metrical](https://eulogikon.org/works/hero-alexandria-metrical-odi-an) — *Μετρικά* · `odi-an`
- [On Automata](https://eulogikon.org/works/hero-alexandria-automata-odi-ak) — *Περὶ Αὐτοματοποιητικῶν* · `odi-ak`
- [On Measurements](https://eulogikon.org/works/hero-alexandria-measurements-odi-ai) — *Περὶ Μετρήσεων* · `odi-ai`
- [Spiritual Matters](https://eulogikon.org/works/hero-alexandria-spiritual-matters-odi-ah) — *Πνευματικά* · `odi-ah`
- [Stereometry](https://eulogikon.org/works/hero-alexandria-stereometry-odi-al) — *Στερεομετρικά* · `odi-al`

## License and provenance

Eulogikon publishes public-domain Greek texts in cleaned, structured, readable form and makes no copyright claim over that preparation (Public Domain Mark 1.0, https://creativecommons.org/publicdomain/mark/1.0/). Author records and the underlying corpus are at https://eulogikon.org/.