PRATT, WALDO SELDEN: Congregational layman; b. at Philadelphia Nov. 10, 1857. He was educated at Williams College (A.B., 1878) and Johns Hopkins University (1878-80). He was assistant director of the Metropolitan Museum of Art (1880-82), and since 1882 has been professor of music and hymnology at Hartford Theological Seminary, where he was also registrar in 1888-95. He was instructor in elocution in Trinity College, Hartford, in 1891-1905, and has been lecturer in musical history and science at Smith College since 1895 and at Mount Holyoke College in 1896-99, while since 1905 he has held a similar position at the Institute of Musical Art, New York City. From 1882 to 1891 he was organist of Asylum Hill Congregational Church, Hartford, and conductor of the Hosmer Hall Choral Union in the same city, and in 1884-1888 he was conductor of the St. Cecilia Club. He has written Musical Ministries in the Church (Chicago, 1901) and edited St. Nicholas Songs (New York, 1885) and Songs of Worship (1887), besides being musical editor of Aids to Common Worship (New York, 1887) and of the Century Dictionary.