Charles Ehresmann

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Figure

Domain

Science and technology

Knowledge cost

2

Influence

3

Resistance

3

In collections

Nobody has pulled it yet.

What Wikipedia says

Charles Ehresmann (19 April 1905 – 22 September 1979) was a German-born French mathematician who worked in differential topology and category theory.

Excerpt from the Wikipedia article “Charles Ehresmann”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Unknown author, CC BY-SA 2.0 de, via Wikimedia Commons.