About Gérard de Vaucouleurs
Gérard Henri de Vaucouleurs was a French astronomer best known for his studies of galaxies. Gérard Henri de Vaucouleurs (French pronunciation:; 25 April 1918 – 7 October 1995) was a French astronomer best known for his studies of galaxies. De Vaucouleurs was awarded the Henry Norris Russell Lectureship by the American Astronomical Society in 1988.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.