Francis Libermann Saint
Francis Mary Paul Libermann (French: François-Marie-Paul Libermann; born Jacob Libermann; 14 April 1802 – 2 February 1852) was a 19th-century Jewish convert to Catholicism who was a member of the Spiritan order. He is best known for founding the Congregation of the Immaculate Heart of Mary which later merged with the Congregation of the Holy Ghost. He is often referred to as "The Second Founder of the Holy Ghost Fathers". He was declared venerable in the Roman Catholic Church on June 1, 1876, by Pope Pius IX.