The Discovering Lewis & Clark website owes its existence to the excellent contributions of many talented scholars and producers. The following contributors have a short biography and links to the pages they authored.
Jim Wark’s aerial photography is used extensively on this site to illustrate the Lewis and Clark Expedition. Written in his own words.
David Alt
Professor Emeritus of Geology, University of Montana, Missoula
Professor emeritus of geology at the University of Montana and author of more than thirty books, David Alt has contributed an article on the granites that the expedition saw while crossing the Bitterroot Mountains and another article about the mineral reference book they carried on the journey.
Mark Behan
Professor of Botany, University of Montana
Professor of botany Mark Behan, has contributed pages on the aspen and cottonwood trees and another about the sage grouse.
Robert N. Bergantino
Research Associate Professor, Montana Bureau of Mines and Geology
Research Associate Professor Robert N. Bergantino has contributed several articles on the expedition’s celestial observations, geological observations, and their trek through present-day Montana.
Jo Ann Brown-Trogdon
A brief biography and index of works on this site by Jo Ann Brown-Trogdon.
Tricia Gates Brown
From the pages of We Proceeded On, Dr. Tricia Gates Brown writes about the Tillamook community of Necus’ Village.
Michael Carrick
Michael Carrick is widely known as a collector of rare firearms. He has written articles for Gun Digest Reloader’s Manual, The Gun Report Magazine, Muzzle Blasts Magazine, and other specialized publications relating to antique firearms collecting.
Elizabeth Chew
Ph.D., curator at Monticello
Douglas Deur
From the pages of We Proceeded On, author Douglas Deur writes about the Tillamook community of Necus’ Village.
Lee A. Dugatkin
Lee Alan Dugatkin, Ph.D., is a professor and Arts and Sciences Distinguished Scholar in the Department of Biology at the University of Louisville. He is the author of many books.
Doug Erickson
Librarian and archivist
Barbara Fifer
Dan Flores
Professor of Western History, University of Montana
Harry Fritz
Professor of History, University of Montana
Harry Fritz is a prolific author in American history including “Meriwether Lewis, William Clark, and the Discovery of Montana,” “The Underside of the Lewis and Clark Expedition: The Travail of Meriwether Lewis,” and “The Bow of Ulysses: Presidential Leadership Under Jefferson and Madison.”
Carolyn Gilman
In addition to her article on George Rogers Clark, Carolyn Gilman is the author of Lewis and Clark: Across the Divide (2003).
Gary Gooch
Satellite image analyst
A brief biography and index of works on this site by Gary Gooch.
Charles Greifenstein
Librarian and curator, American Philosophical Society
Prior to his arrival at the American Philosophical Society in 2003, for nine years Charles Greifenstein worked at the College of Physicians of Philadelphia, last serving as Associate Librarian and Curator of Archives & Manuscripts.
Robert Heacock
Robert Heacock is a historian on cruise boats on the Snake and Columbia Rivers. His photographs provide a view similar to that seen by expedition members as they traveled the same rivers over 200 years ago.
Gregory Higby
Ph.D. in Pharmacy
James Holmberg
Curator, Filson Historical Society
Virginia Holmgren
Virginia Holmgren began writing articles on birds for The Sunday Oregonian, a series she continued for 22½ years, while doing other writing for books and magazine publications.
Robert Hunt
Bob has contributed many articles to We Proceeded On, the quarterly journal of the Lewis and Clark Trail Heritage Foundation.
John Jengo
John Jengo is a professional geologist and has published numerous articles in We Proceed On since 2002 on the subject of Lewis and Clark’s mineral collection and the significance of scientific influence of their geological discoveries.
Clay Jenkinson
Distinguished humanities scholar
Clay Jenkinson is among America’s leading humanities scholars and a former director of The Dakota Institute of the Lewis & Clark Fort Mandan Foundation. His portrayals of Thomas Jefferson, Meriwether Lewis and other historic figures have delighted and enlightened audiences across the country, including the White House.
Charles Jonkel
Wildlife biology researcher
The challenge of making scientific research in the field of wildlife biology comprehensible to, and useable by, the general public, has been one of Dr. Jonkel’s lifelong commitments. He has also taught courses on arctic ecology, bears and ecosystems, and numerous related subjects at the University of Montana, as well as elsewhere.
Cameron La Follette
Cameron La Follette is the Executive Director of Oregon Coast Alliance and writes on Oregon coastal history for various venues.
Arlen Large
Editor, We Proceeded On
Arlen Jim Large of Washington, D.C. was a correspondent of the Wall Street Journal and a frequent contributor to We Proceeded On, the journal of the Lewis and Clark Trail Heritage Foundation.
Carol Lynn MacGregor
Carol Lynn MacGregor of Albuquerque, New Mexico is the 1991 recipient of the Joel E. Ferris History Award for her book on Patrick Gass.
Richard McCourt
Associate Curator of Botany, American Philosophical Society
Castle McLaughlin
Social anthropologist
Social anthropologist Castle McLaughlin is Associate Curator of Native American Ethnography at Harvard’s Peabody Museum of Archaeology and Ethnology, steward of the surviving Native American objects acquired by Lewis and Clark. Her book on that collection, Arts of Diplomacy, was published in 2003.
Pierce Mullen
Professor of History, Montana State University
A native Nebraskan, Pierce Mullen was a professor of history, with specialization in the history of science, at Montana State University from l963-l996. Presently emeritus professor of history, he pursues interests in the Lewis and Clark story, and the history of biomedical science.
Joseph Mussulman
Founding editor and author
Joseph A. Mussulman (1928–2017) was the founding producer, editor and writer for Discovering Lewis & Clark. Dr. Mussulman earned his bachelor’s and master’s degrees in music history and literature at Northwestern University in 1950 and 1951. As a Danforth Scholar he earned a doctorate in humanities from Syracuse University in 1967.
Jack Nisbet
Naturalist
Charles Reed
Emeritus professor, Temple University
Charles Reed became an emeritus professor in 1993 after almost three decades on the faculty at Temple University in Philadelphia. In learning about his adopted city, he fell in with some enthusiasts for the story of Lewis and Clark in the years when they were preparing to host an annual meeting of their society, the Lewis and Clark Trail Heritage Foundation, Inc.
James Reveal
Professor Emeritus of Botany
James L. Reveal was a professor emeritus of botany at the University of Maryland. A graduate of Utah State and Brigham Young Universities, his broad experience in botanical research embraced floristic studies in western North America (including endangered and threatened species), and the examination of historical specimens gathered in temperate North America.
James Ronda
Professor of history
A productive writer, Dr. Ronda is the author of five full-length books, many scholarly papers and essays, and a frequent reviewer of books relating to western history.
Steve Russell
Steve is a retired Emeritus Associate Professor in the Department of Electrical and Computer Engineering at Iowa State University, Ames, Iowa. He has been researching, locating, and GPS-documenting Historic Trails for the past 32 years.
Earle Spamer
Reference librarian, American Philosophical Society
A brief biography and index of works on this site by Earle E. Spamer, reference librarian of the American Philosophical Society.
Ahati N. N. Toure
Ahati Nerasa Neru Toure is Yoruba and traces his ancestry to Ile Ife, the holy city of the Yoruba people, located in what is now Nigeria, West Africa. His research interest is the African experience in the United States, especially as it relates to 19th-century and 20th-century Pan African nationalist thought and movements.
Kristopher Townsend
John Van Horne
Director, Library Company of Philadelphia
John C. Van Horne has since 1985 been the Director of the Library Company of Philadelphia founded by Benjamin Franklin in 1731 as the first American subscription library.
Kenneth Walcheck
Wildlife biologist
A brief biography and index of works on this site by Kenneth C. Walcheck.
Sarah Walker
Forest Service botanist
Stephen S. Witte
Professor of History, University of Nebraska
A brief biography and index of works on this site by Stephen S. Witte.
W. Raymond Wood
Professor of North American Archaeology
A brief biography and index of works on this site by Dr. W. Raymond Wood, Professor Emeritus, North American Archaeology, University of Missouri, Columbia.
Experience the Lewis and Clark Trail
The Lewis and Clark Trail Experience—our sister site at lewisandclark.travel—connects the world to people and places on the Lewis and Clark Trail.
Discover More
- The Lewis and Clark Expedition: Day by Day by Gary E. Moulton (University of Nebraska Press, 2018). The story in prose, 14 May 1804–23 September 1806.
- The Lewis and Clark Journals: An American Epic of Discovery (abridged) by Gary E. Moulton (University of Nebraska Press, 2003). Selected journal excerpts, 14 May 1804–23 September 1806.
- The Lewis and Clark Journals. by Gary E. Moulton (University of Nebraska Press, 1983–2001). The complete story in 13 volumes.
This site is provided as a public service by the
Lewis and Clark Trail Alliance
with cooperation and funding from the following organizations:
- Lewis and Clark National Historic Trail
- Montana Committee for the Humanities
- Idaho Governor's Lewis and Clark Trail Committee
- The Capital Gallery (Lewis and Clark Fort Mandan Foundation)
- Yellowstone Public Radio
Unless otherwise noted, journal excerpts are from The Journals of the Lewis and Clark Expedition, edited by Gary E. Moulton, 13 vols. (Lincoln: University of Nebraska Press, 1983-2001).