Jean-Claude Pecker

Jean-Claude Pecker (1923–2020) was a renowned French astrophysicist and academic, serving as Professor of Theoretical Astrophysics at the Collège de France (1963–1988). He held pivotal roles in international scientific organizations, including General Secretary of the International Astronomical Union (1964–1967) and President of the French National Centre for Scientific Research (CNRS) Institute of Astrophysics (1972–1979). His research focused on stellar atmospheres, Cepheid variables, and cosmology, earning him prestigious awards like the Jules-Janssen Prize and Commander of the Légion d'Honneur.

• Education: École Normale Supérieure (ENS) graduate, PhD in 1950
• Leadership: Directed Nice Observatory (1962–1969) and played key roles in UNESCO committees
• Advocacy: Promoted science education through books, museums, and public outreach

He authored influential works on astronomy and the history of science, while balancing artistic pursuits in painting and sculpture. His legacy includes shaping French and global astrophysics through institutional leadership and public engagement.