Marie-Jeanne de Lalande
Marie-Jeanne Amélie Lefrançois de Lalande | |
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Portrait | |
| Born | Marie-Jeanne Harlay 1768 Paris, France |
| Died | November 8, 1832 (aged 63–64) Paris, France |
| Spouse | |
| Scientific career | |
| Fields | Astronomy |
Marie-Jeanne Amélie Lefrançois de Lalande (née Harlay; 1768 – 8 November 1832) was a French astronomer. She was a key collaborator to the works of Jérôme Lalande.
Her reputation as a scientific woman was attested by an anecdote related to Carl Friedrich Gauss: In 1806, during a military campaign in Prussia, he declared he knew but one French woman that worked in Science, Madame Lefrançois de Lalande."