Doctor of Philosophy, Rijksuniversiteit, Leiden, The Netherlands, 1976.
Member staff print room art history department Rijksuniversiteit, 1971-1972, 75-76. Research fellow Z.W.O., 1972-1975, 76-77. Researcher Leiden Municipal Archives, 1978-1979, historian and curator Leiden Pilgrim Documents Center, 1980-1985.
Visiting distinguished professor art history Arizona State University, Tempe, 1986. Chief curator Plimoth Plantation, Plymouth, Massachusetts, since 1986.
Member College Art Association, American Society Church History, American Association Museum's, American Association State and Local History, Renaissance Society of America, The Pilgrim Society, The Colonial Society Massachusetts.
Married Barbara Lynn Blair, June 11, 1967 (divorced 1988). Children: Erica, David.