Mathematician:Nicolas-Louis de Lacaille

Mathematician
French astronomer who named $14$ out of the $88$ constellations.

Observed over $10 \, 000$ stars using just a half-inch refractor.

Constructing astronomical ephemerides and mathematical tables.

Calculated a table of eclipses for $1800$ years.

Determined that Earth is flatter at the South Pole than at the North Pole

Nationality
French

History

 * Born: 15 March 1713 in Rumigny-en-Thiérache, France
 * 1750 -- 1754: Studied the sky at the Cape of Good Hope in present day South Africa
 * Died: 21 March 1762 in Paris, France

Publications

 * 1741: Leçons élémentaires de Mathématiques
 * 1743: Leçons élémentaires de Mécanique
 * 1746: Leçons élémentaires d'Astronomie
 * 1750: Leçons élémentaires d'Optique
 * 1755: Ephémérides
 * 1756: Table des Ascensions Droites et des Declinaisons Apparentes des Etoiles australes renfermées dans le tropique du Capricorne ...
 * 1757: Astronomiae Fundamenta Novissimus
 * 1758: Tabulae Solares
 * 1763: Coelum Australe Stelliferum
 * 1776: Journal historique de voyage au Cap de Bonne-Espérance par feu M l'abbé de La Caille ... (published posthumously)
 * 1779: Leçons élémentaires d'Astronomie ($4$th ed.) (augmented by )

Also known as
Sometimes reported as de la Caille.