John Edgar Park (1879-1956) was educated at Queens College, Royal University; New College, Edinburgh; Leipzig, Oxford, and Princeton. Park was minister of the Second Church in West Newton for 19 years. Park also was professor of Theory of Worship at Boston University School of Theology in the 1920s, the chairman of the Board of Trustees at Andover-Newton Theological Seminary, and in 1936 the Lyman Beecher lecturer at Yale. President Park was a member of the Board of Preachers at Harvard and was a very popular preacher in New England.

John Edgar Park became president of Wheaton College in 1926. He introduced departmental honors and senior seminars while also instituting academic majors and minors. President Park continued the building program begun by President Cole; accordingly ten structures were built and nine houses were acquired during Park's time. He was known on campus for his Chapel Talks, some of which were published in New Horizons. His other publications include The Man who Missed Christmas, Bad Results of Good Habits, and The Disadvantages of Being Good. Dr. Park received honorary degrees from Tufts, Middlebury and Wesleyan, as well as from Wheaton. John Edgar Park retired in 1944 at the age of 65 and was named President Emeritus. He died in 1956 and Park Hall was named in his honor.

Grace B. Park (1876-1962) wife of John Edgar Park, graduated from Wellesley College in 1900. Before her marriage to John Edgar Park she taught Greek and Mathematics in the public schools of Andover and Bridgewater. Grace B. Park received an honorary degree from Wheaton in 1944.

William E. Park (1909-1987) son of John Edgar Park, was a graduate of Williams College and Union Theological Seminary. He served as pastor of the Orient, L.I., Congregational Church from 1938 to 1940 and was president of Northfield Schools from 1940 to 1955. William E. Park was president of the Simmons College from 1955 to 1970. He died in 1987 at the age of 78 and was survived by his wife Georgia MacDonald Park and three children: William Edgar Park, David Miller Park, and Suan Vail Park Utz.

Rosemary Park Anastos (1907-2004) was the oldest child and first daughter of John Edgar Park. Rosemary graduated summa cum laude from Radcliffe with a degree in German. In 1930 she studied at the University of Bonn and in 1934 Rosemary earned a Ph.D. at the University of Cologne. She taught German first at Wheaton and then at Connecticut College. At Connecticut College she became dean of freshmen, academic dean, acting president, and eventually president. Rosemary was president of Connecticut College from 1947 to 1962. In 1958 she received an honorary degree from Yale. Following her time at Connecticut College Rosemary was the president of Barnard College from 1963 to 1967. However, due to her marriage in 1965 to Milton Vasil Anastos, a professor of Byzantine Greek at the University of California, Los Angeles she moved to Los Angeles. At U.C.L.A. Rosemary became a vice chancellor in 1967 and later a professor. In 1980, she helped develop the Plato Society, a U.C.L.A. study group for retired people. She died on April 17, 2004 at the age of 97.

Susan Vail Park Utz is the granddaughter of John Edgar Park and daughter of William E. Park.