L'Abbé Joseph Lemann

Joseph Lehmann or Lémann (1836-1915) is a French Catholic priest, and the twin brother of Augustin Lehmann. Raised in a wealthy Ashkenazi Jewish family in Lyon, they converted to Catholicism at the age of 18 and were ordained priests at 24.

They wrote about 150 books, particularly on the relationship between Catholicism and Judaism, and on the spiritual destiny of the Jewish people.