Pierre de Porcaro was a French Catholic priest and educator who became a figure of resistance during the Second World War. Born in Dinan in 1904, he was ordained in Versailles in 1929 and later served as a teacher of Roman history. After being captured during the 1940 Battle for France, he eventually provided clandestine spiritual support to forced laborers. His courageous efforts led to his arrest and subsequent death in the Dachau concentration camp in 1945.