Paul Abadie was a prominent French architect born on December 17, 1812, in Paris. He is best known for his work on the Basilica of the Sacré-Cœur in Montmartre, which is one of the most recognizable landmarks in the city. Abadie was a key figure in the Romanesque Revival architectural movement, which sought to revive the styles of medieval architecture. Throughout his career, Abadie contributed to various projects, including the restoration of several historic buildings. He was also involved in the design of the Saint-Sulpice Church in Paris. His architectural style is characterized by its grandeur and attention to detail, making him a significant figure in 19th-century French architecture.