Yves Lacoste

Yves Lacoste (7 September 1929 – 20 June 2026) was a French geographer known for his political commitment and contributions to geopolitics. Born in Fez, Morocco, the son of a geologist, Jean Lacoste, and a librarian, he spent his childhood in the city of Rabat before continuing his secondary education at the Lycée Lakanal in Sceaux (Seine) and his higher education at the Sorbonne. After obtaining his post-graduate diploma on the geomorphology of the Rharb plain in Morocco, Lacoste passed the agrégation in geography in 1952. He began his teaching career at the Lycée Bugeaud in Algiers. A member of the French Communist Party and the Algerian Communist Party, he became actively involved in anti-colonial struggles. In 1955, forced to return to France by the principal of Lycée Bugeaud, Lacoste left the PCF in disagreement with its policy in Algeria. He became a member of the executive board of the Committee for the Independence of Europe. Parallel to his political activities, he continued his research in geography, notably on underdevelopment and the history of the Maghreb. As an assistant at the Institut de Géographie de Paris, Lacoste published several authoritative textbooks. In 1979, he obtained his doctorate with the thesis Unity and Diversity of the Third World. In 1989, he founded the Centre de recherches et d'analyses de géopolitiques, now the Institut français de géopolitique. Lacoste was notable for his innovative approaches to geography, integrating natural and political constraints into his analyses. He also published the journal Hérodote. Internationally recognized, he was awarded the Vautrin Lud Prize in 2000 for his contribution to geography. Throughout his career, Lacoste continued to teach and appear in the media on geopolitical issues. Close to socialism, he expressed critical views on the Islamist movement and defended secularism.