Gérard de Vaucouleurs
Gérard Henri de Vaucouleurs (French pronunciation: [ʒeʁaʁ ɑ̃ʁi də vokulœʁ]; 25 April 1918 – 7 October 1995) was a French astronomer best known for his studies of galaxies. == Life and career == Gérard de Vaucouleurs was born on April 25, 1918 in Paris, he took the maiden name of his mother as his last name.