Henry Barclay Swete was educated at King's College London and Gonville and Caius College, Cambridge, and in 1858 was ordained. After some years of work in various country curacies and livings he became in 1869 theological lecturer and tutor at Caius College.
In 1881 he was appointed professor of pastoral theology at King's College London.. In 1890 he succeeded Brooke Foss Westcott as regius professor at Cambridge, and retained this position until 1915, when he retired with the title of emeritus professor.. He was in 1911 appointed an honorary chaplain to King George V.
Swete's works on Biblical texts are of high importance. In 1887 he published the first volume of his edition of the Greek text of the Old Testament, completing the series in 1894 (3rd ed. 1901-7), while in 1898 appeared the Greek text of the Gospel of St. Mark, with notes and introduction (2nd ed. 1902) and in 1906 that of the Apocalypse of St. John (2nd ed. 1907).
He was the editor of Cambridge Theological Essays (1905) and Cambridge Biblical Essays (1909), and was a contributor to Smith and Wace's Dictionary of Christian Biography (1882-87) and Hastings's Dictionary of the Bible (1899-1900). He also produced many historical and critical works, including The Apostles' Creed in Relation to Primitive Christianity (1894; 3rd ed. 1899); Church Services and Service Books before the Reformation (1896); Patriotic Study (1902); The Appearances of Our Lord after the Passion (1907; 2nd ed. 1908), and The Last Discourse and Prayer of Our Lord (1913).
Introduction to the Old Testament in Greek. Additional Notes.
Old Testament in Greek According to the Septuagint
Old Testament in Greek According to the Septuagint, Vol. II: I Chronicles--Tobit
Old Testament in Greek According to the Septuagint, Vol. III: Hosea--4 Maccabees
Old Testament in Greek According to the Septuagint, Vol. I: Genesis--IV Kings