Complex sentence: In 1949, Monsignor Henry W. Gross (1891 ‐ 1973) became the third pastor of St. Basil and served as the parish pastor for 20 years until his retirement in 1969.
Split into simpler sentences: In 1949, Monsignor Henry W. Gross (1891 ‐ 1973) became the third pastor of St. Basil. He remained pastor for 20 years until his retirement in 1969.