Bishop Manuel Larrain was born on 17 December 1900 and died on 22 June 1966.
He studied at San Ignacio College, Santiago where he became a friend of the future Saint Alberto Hurtado .
He studied law at the Catholic University of Chile , and then enteed the seminary.
He completed his studies at the Pontifical Gregorian University in Rome where he first came into contact with the JOC.
On 16 April 1927 he was ordained priest of the clergy of the Archdiocese of Santiago
On 7 May 1938 the Holy See appointed him coadjutor bishop of the Diocese of Talca and he succeeded as bishop on 21 January 1939.
During this period, he played a vital role in the foundation of the JOC and specialised Catholic Action in Chile.
He was a co-founder of the Latin American Catholic Bishops Conference (CELAM) and Vice President of the Episcopal Conference of Chile.
He died in a car accident while traveling from Santiago to Talca . His funeral took place on June 25 of 1966 in the presesnce of the then Chilean President Eduardo Frei Montalva and much of his cabinet.
Manuel Larraín Errázuriz (Wikipedia.es)
Bishop Larraín and his relationship to Liberation Theology, Edward Llewellyn-Jones (Theology Department, University of Nottingham), ERAS Journal, Monash University