The Ludwig Knorr cardLudwig Knorr

Ludwig Knorr

Common

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
1
Influence
2
Resistance
2
In collections
Nobody has pulled it yet.

What Wikipedia says

Ludwig Knorr (2 December 1859 – 4 June 1921) was a German chemist. Together with Carl Paal, he discovered the Paal–Knorr synthesis, and the Knorr quinoline synthesis and Knorr pyrrole synthesis are also named after him.

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

Image: Rudolf Schulte im Hofe, Public domain, via Wikimedia Commons.

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