Henri Chretien

Henri Chretien was a renowned French optical engineer and scientist known for his contributions to the development of telescopes and precision optical systems. He played a key role in advancing optical manufacturing techniques, such as polishing and shaping mirrors for astronomical instruments. His work improved the quality and performance of telescopes, enabling astronomers to observe celestial objects more clearly. Chretien's innovations have had a lasting impact on observational astronomy, helping researchers explore the universe with greater detail and accuracy.