# The Vitruvian Man drawing states a public proportion programme as later dated in the notebooks

Date: 1490

## The fact

Around 1490 Leonardo drew the Vitruvian Man as a proportion programme. The Ambrosiana later holds the sheet. Lifetime public print is not claimed. Leonardo da Vinci's documented role is: He drew the proportion figure after Vitruvius. The sheet stayed in papers; later fame is not a 1490 print run.

## Context

Vitruvius is the named ancient counterpart. Sharing the programme with that text is required. The setting of The Vitruvian Man drawing states a public proportion programme as later dated in the notebooks is the public file around 1490-01-01. Shared offices, unnamed crews, printers, or later editors may appear without becoming this instrument. Contribution type is direct. Driver edu-[digital-learning-access](/drivers/edu-digital-learning-access) is attached because the significance names a mechanism from this act, not because a standing list needed coverage.

Shared responsibility is part of The Vitruvian Man drawing states a public proportion programme as later dated in the notebooks. Naming Leonardo da Vinci does not delete co-authors, institutions, or later transmitters. The lag from 1490-01-01 to any measured indicator is not treated as zero. Alternative explanations — weather, other armies, later statutes, or independent cultural change — remain live where the sources do not close them.

## Evidence and sources

Official locator: Veneranda Biblioteca Ambrosiana — Vitruvian Man as later public sheet at https://www.ambrosiana.it/en/ (Veneranda Biblioteca Ambrosiana). Independent locator: Britannica — Vitruvian Man at https://www.britannica.com/biography/Leonardo-da-Vinci (Encyclopaedia Britannica). Official carrier: Veneranda Biblioteca Ambrosiana — Vitruvian Man as later public sheet (https://www.ambrosiana.it/en/; Veneranda Biblioteca Ambrosiana). Independent carrier: Britannica — Vitruvian Man (https://www.britannica.com/biography/Leonardo-da-Vinci; Encyclopaedia Britannica).

Official or archival record: Veneranda Biblioteca Ambrosiana — Vitruvian Man as later public sheet (https://www.ambrosiana.it/en/; Veneranda Biblioteca Ambrosiana).

## Significance

Improving path from The Vitruvian Man drawing states a public proportion programme as later dated in the notebooks on 1490-01-01. A proportion drawing is an education-method path of medium confidence because it was not a printed textbook in his lifetime. The welfare reading on this path is improving.

## What is established and what is not

Established: a sourced public record of The Vitruvian Man drawing states a public proportion programme as later dated in the notebooks under 1490-01-01 for Leonardo da Vinci. Established: a sourced public record of The Vitruvian Man drawing states a public proportion programme as later dated in the notebooks under 1490-01-01.

Later competitions, monuments, translations, UNESCO listings, museums, and adaptations are not converted into extra lifetime acts.

If a number is not in the two records named above, it is not supplied here.

Confidence is stated on the impact path, not hidden in adjectives. Do not convert later poster culture into 1490 print. Mixed effects of The Vitruvian Man drawing states a public proportion programme as later dated in the notebooks are separate paths.

The contribution type is direct. The welfare reading used in this dossier is improving. That reading is an impact-path choice, not a property stored on the Fact itself.

## People

- Leonardo da Vinci: https://factrail.ai/people/leonardo-da-vinci

## Drivers

- Digital Learning Access: https://factrail.ai/drivers/edu-digital-learning-access

## Sources

- https://www.ambrosiana.it/en/
- https://www.britannica.com/biography/Leonardo-da-Vinci

## Methodology

https://factrail.ai/methodology

Canonical: https://factrail.ai/facts/ldv-vitruvian