Charles Cavaillé-Coll was a renowned French organ builder born in 1811. He is celebrated for his innovative designs and contributions to the development of the modern pipe organ. His instruments are known for their rich sound and complex mechanical systems, which have influenced organ building worldwide. Cavaillé-Coll's work includes notable organs in famous locations, such as the Basilique du Sacré-Cœur in Paris and the Cathedral of Notre-Dame. His legacy continues to inspire organists and builders, making him a pivotal figure in the history of music and instrument craftsmanship.