Who created "Louise Brongniart"?

Louise Brongniart was created by Jean Antoine Houdon in 1779, after a portrait of 1777.

When was "Louise Brongniart" created?

This artwork was created 1779, after a portrait of 1777.

Yes, Louise Brongniart is in the public domain and available for free download under CC0 license.

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Jean Antoine Houdon, 1779, after a portrait of 1777