James Henry Ambrose Griffiths

[2] In addition to his pastoral duties, Griffiths worked as an instructor of New Testament scripture at the Dominican Normal School in Amityville, New York, from 1927 to 1929.

[1] Following the American entry into World War II in 1941, Bishop Thomas Molloy placed Griffiths in charge of supervising the military chaplains from the diocese.

[3] He received his episcopal consecration on January 18, 1950, from Cardinal Francis Spellman, with Bishops Thomas Molloy and William Arnold serving as co-consecrators, at St. Patrick's Cathedral in Manhattan.

[1] In September 1955, Griffiths was appointed pastor of St. Monica's Parish in Manhattan[4] He represented the Vatican at the United Nations (UN) and was its permanent observer at the Economic and Social Council, a UN agency.

[1] During the Second Vatican Council, he served on the United States Bishops' Commission on the Liturgical Apostolate, which studied the introduction of English to parts of the mass and other sacraments.