The missionary society known as "White Fathers" (Pères Blancs in French), after their dress, is a Roman Catholic Society of Apostolic Life founded in 1868 by the first Archbishop of Algiers, later Cardinal Lavigerie, as the Missionaries of Our Lady of Africa of Algeria, and is also now known as the Society of the Missionaries of Africa. Members of the society use the post-nominal initials M. Afr.