Jules Chevalier was a French priest born on March 15, 1824, in the town of Saint-Dié-des-Vosges. He is best known for founding the Missionaries of the Sacred Heart in 1854, an organization dedicated to spreading the Christian faith and serving communities in need. Chevalier emphasized the importance of education and social justice in his missionary work. Throughout his life, Chevalier traveled extensively, promoting his vision of a compassionate and inclusive church. He passed away on October 21, 1907, but his legacy continues through the work of the Missionaries of the Sacred Heart, which operates in various countries around the world.