Bachelor, Providence College, 1964. Master of Arts, St. John's University, 1966. Doctor of Philosophy, University Michigan, 1974.
Manuscripts library William L. Clements Library. University Michigan, Ann Arbor, 1968-1972. Curator manuscripts American Antiquarian Society, Worcester, Massachusetts, 1972-1981, education officer, 1977-1981.
Assistant director rare books and manuscripts New York Public Library., New York City, 1981-1986. Associate university library rare books and special collections Princeton University, 1986-2000. Dorothy Foehr Huck chair special collections, professor history Pennsylvania State University, 2000—2010.
Lecturer Clark University, 1975—1977. Consultant National History Publications and Records Commission, Washington, 1982, others. Adjunct faculty School Library.
Service, Columbia University, New York City, 1984—1992. Visiting professor Graduate School Library. & Information Science, University of California at Los Angeles, 1994.
(First edition. These essays have been written by leading ...)
Board directors Conservation Center Art and History Artifacts, 1992—2000, chairman, 1995—1998. Member John Fitzgerald Kennedy Assassination Records Review Board, 1994—1998. Member advisory committee Center Jewish History, 2000—2005, chairman, 2001—2005.
Fellow: Society of America Archivists (council member 1981-1985, president 1986-1987). Member: American Library Association (member publications committee 1985-1988, chairman 1987-1988, rare books and manuscripts section), International Council Archives (member committee literature and art 1993-1997), Association Research Libraries (member special collections task force 2000-2006), American Antiquarian Society, Organization American Historians, Bibliographical Society of America (chairman fellowship committee 1982-1985), American History Association (member professional division committee 1979-1981), Grolier Club (council 1990-1992).
Married Carol Gail Bertani, August 13, 1967. Children: Susan, Michael.