Tags: Christian Bishop.
Guillermo Leaden S.D.B. (born July 20 1913) is an Argentine Bishop of the Catholic Church. At the age of 101 he is one of the oldest bishops in the Church and the oldest Argentine bishop.Leaden was born in Buenos Aires Argentina in the summer of 1913. He was ordained a priest of the Roman Catholic religious institute of the Salesians of Don Bosco. On May 28 1975 he was appointed Titular Bishop of Theudalis and Auxiliary Bishop of the Buenos Aires and was ordained August 8 1975.