Gustave Roussy is one of the world’s leading cancer-research institutes and the premier European Cancer Centre. It is a centre for patient care, research and teaching, and patients with all types of cancer can be treated there. Gustave Roussy is one of the world’s leading cancer-research institutes and the premier European Cancer Centre. It is a centre for patient care, research and teaching, and patients with all types of cancer can be treated there. It is located in Villejuif, South Paris, France. It is named after Gustave Roussy, a Swiss-French neuropathologist. In 2017, a virologist was sentenced to 5 years in prison for poisoning colleagues with sodium azide in 2014. Coordinates: 48°47′41″N 2°20′55″E / 48.79472°N 2.34861°E / 48.79472; 2.34861