1998-1999
- Martin Brückner
- University of South Carolina
- The Culture of Geographic Letters in Early America
- David Chapin
- University of New Hampshire
- The Culture of Curiosity: Science, Spirits, and Celebrity in the Lives of Margaret Fox and Elisha Kent Kane
- Steven Conn
- Ohio State University
- Objects and Objectivity: The Development of American Archaeology, 1780-1960
- Kathy J. Cooke
- Quinnipiac College
- Beyond Heredity: The Many Faces of Eugenics in America, 1900-1930
- Gary Kroll
- University of Oklahoma
- Exploring the Ocean Frontier: American Naturalists as Amateur Conservationists
- Thomas Charles Lassman
- Johns Hopkins University
- From Quantum Revolution to Institutional Transformation: Edward Condon and the Dynamics of Pure Science in America, 1928-1954
- Martin Medina
- El Colegio de la Frontera Norte [Tijuana, Mexico]
- Scavengers, Rag Pickers and Peddlers: Recycling of Solid Wastes in Early America
- Michael S. Reidy
- University of Minnesota
- The Flux and Reflux of Science: British and American Research on the Tides and the Organization of 19th Century Science
- Rena Selya
- Harvard University
- Salvador Luria: His Life and Science
- Mary M. Thomas
- University of Minnesota
- Science, Military Style: Fortifications, Science, and the U.S. Army Corps of Engineers, 1802-1865
- Kariann Yokota
- UCLA
- From an Insecure Beginning: Post-Colonial American Identity in the British Atlantic World, 1776-1830