Partnering Institutions

WITF, Inc.

4801 Lindle Road
Harrisburg, PA 17111

Ron Hetrick, President and CEO
Michael J. Williams, Project Manager

Pennsylvania Historical and Museum Commission

300 North Street
Harrisburg, PA 17120

Ridgway Area School District

Boot Jack Road
Ridgway, PA 15853

Central Susquehanna Intermediate Unit
P.O. Box 213
Lewisburg, PA 17837

Content Development

Website Project Manager:
Barry Stoner, WITF, 2001- 2005;
Michael J. Williams, WITF, 2005-present.

Content Project Manager:
Robert Weible, Pennsylvania Historical and Museum Commission, 2001-2008.
Robert E. Feir, Edstrat21; Dennis B. Downey, Millersville University; and Charles Hardy, III, West Chester University, 2008-present.

Supervising Historian and Editor:
Charles Hardy III, West Chester University, 2003-present.

Robert E. Feir, Edstrat21

Digital Rights and Acquisitions Manager:
Martha Hall, 2001-2003
Marie Brown Wilson, WITF, 2003 -present. Content development: 2001-2013

Lesson Plan Development:
Robert E. Feir, Edstrat21, 2008-2013.
Carrie Curtis, Pennsylvania Historical and Museum Commission and WITF, 2001-2007.
Jim Wetzler , 2001-2005
John Turner, West Chester University, 2003-2005
Susan Donley, 2001-2003.

James Booth, The State Museum of Pennsylvania
Joanne Cassaro, WITF

Content Advisory Committee
2001-2003: Rachel Batch, Widener University; Dennis B. Downey, Millersville University; Karen Guenther, Mansfield University; Charles Hardy III, West Chester University; Carla Mulford, Penn State University; and Paul Douglas Newman, University of Pittsburgh at Johnstown.
2003-2007: Dennis B. Downey, Millersville University; Loretta Lobes, Carnegie Mellon University; Randall Miller, Saint Josephs University; Philip Scranton, Rutgers University, Camden; Stephanie Wolf, McNeil Center for Early American Studies; and Gerald Zahavi, University at Albany, SUNY.

Web Host and Web Site Development

Ripple Effects Interactive, 2001-2005

MATRIX, 2005-present

Michigan State University
409 Natural Sciences Building
East Lansing, MI 48824

Mark Kornbluh, Director
Dean Rehberger, Associate Director

Supporting Institutions

Pennsylvania Federation of Museums and Historical Organizations

Commonwealth Keystone Building, Plaza Level
400 North Street
Harrisburg, PA 17120-0053

Pennsylvania Historical Association

108 Weaver Building
Penn State University
University Park, PA 16802-5500

Interactive Map Development

Pennsylvania Spatial Data Access

Environmental Resources Research Institute
The Pennsylvania State University
117 Land and Water Research Building
University Park, PA 16802-4900


Special Thanks To:

Sharon Babain, Canada Science and Technology Museum; Michael Bertheaud, Washington Crossing Historic Park; Sally Biel, PHMC; Michael Birkner, Gettysburg College; Charles Bittner and The Nation; Alana Bubnis, PHMC; Abby Crooks, WITF; Adrienne Deitch, WITF; David Dunn, Railroad Museum of Pennsylvania; Deborah Dunstan, Sonnett Dunstan Media group, LLC; Kenneth Finkel, WHYY; John Frantz, Penn State University; Stephen Frank, National Constitution Center; Don Giles, State Museum of Pennsylvania; Brent Glass, National Museum of American History; Francis Grandinetti, Ridgway Elementary School; Laurence Gross, University of Massachusetts at Lowell; Karen Guenther, Mansfield University; Beth Hager, WITF; Van Beck Hall, University of Pittsburgh; David Haury, Pennsylvania State Archives; Paula Heiman, PHMC Librarian; Angel Hernandez, WITF; Courtney Howell, WITF; Karen James, PHMC; Susan Klepp, Temple University; Marilyn Levin, PHMC; Sovanna Mam, WITF; Charles McCollester, Indiana University of Pennsylvania; Mary Jane Miller, PHMC; Stephen Miller, Landis Valley Museum; Harold Myers, PHMC; Paul Douglas Newman, University of Pittsburgh at Johnstown; Judith O'Toole, Westmoreland Museum of American Art; John Quist, Shippensburg University; Harry Parker, Pennsylvania State Archives; John Patterson, Penn State Harrisburg; Pennsylvania Department of Community and Economic Development; Pennsylvania Department of Conservation and Natural Resources; Pennsylvania Council for the Arts; Pennsylvania State Archives staff; Pennsylvania State Museum staff. Pennsylvania Heritage Magazine staff; John Recchiuti, Mount Union College; Daniel Richter, University of Pennsylvania; Linda Ries, Pennsylvania State Archives; Randy Roberts, Purdue University; Rob Ruck, University of Pittsburgh; Richard Saylor, Pennsylvania State Archives; Timothy Shannon, Gettysburg College; Michael Sherbon, Pennsylvania State Archives; William Sisson, Pennsylvania State Museum; Rod Snyder, PHMC; Jonathan Stayer, Pennsylvania State Archives; Judith Stein, Pennsylvania Academy of the Fine Arts; Jane Stewart, Pennsylvania State Library; Frank Suran, Pennsylvania State Archives; Stephen Warfel, State Museum of Pennsylvania; Robert Warrington, Philadelphia Athletics Historical Society; Sue Baldwin-Way, WITF; Becky Weaver, WITF; John Wesley, PHMC; Brenda Wetzel, State Museum of Pennsylvania; Christy White, State Museum of Pennsylvania; Stephanie Witmer; Thomas Winpenny, Elizabeth Town College; and Jonathan Zimmerman, New York University.

Additional Credits

A Diversity of Industries

Abraham Lincoln and the Politics of the Civil War

Agriculture and Rural Life

The American Revolution

The Arsenal of America: Pennsylvania During the Second World War

Baseball in Pennsylvania

Crossing the Alleghenies

Fine Arts

The French and Indian War in Pennsylvania

The Gettysburg Campaign

The Indians of Pennsylvania

Jazz in Pennsylvania

King Coal: Mining Bituminous

Labor's Struggle to Organize

Lewis and Clark in Pennsylvania

Making Steel

Mining Anthracite

Pennsylvania Politics 1865-1930

Pennsylvania Show Business

Pennsylvania Sports

Pennsylvanians and the Environment

Pennsylvanians and the Great Depression

Pennsylvanians and the New Nation

The Pennsylvania Iron Industry: Furnace and Forge of America

The Peopling of Pennsylvania: The Creation of a Multicultural Society

The Philadelphia Campaign

The Power of Words: Writers and Publishers

The Railroads in Pennsylvania

Science and Invention

Set Apart: Religious Communities in Pennsylvania

Striking Oil

The Struggle Against Slavery: The Abolition Movement and Underground Railroad

"The Surest Foundation of Happiness" : Education in Pennsylvania

The Vision of William Penn


Copyright, WITF

Historical Marker Trademark, PHMC

All images found on are intended for educational purposes (teaching, scholarship, or research) and are shown with authorization from the credited copyright holder. 


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