Partnering Institutions
WITF, Inc.
http://www.witf.org 
4801 Lindle Road
Harrisburg, PA 17111
Ron Hetrick, President and CEO
Michael J. Williams, Project Manager
Pennsylvania Historical and Museum Commission
http://phmc.state.pa.us/
http://statemuseumpa.org
Harrisburg, PA 17120
Ridgway Area School District
http://www.ridgwayareaschooldistrict.com
Boot Jack Road
Ridgway, PA 15853
Central Susquehanna Intermediate Unit
P.O. Box 213
Lewisburg, PA 17837
http://www.csiu.org
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.
Development:
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.
Art:
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, 2001-2005MATRIX, 2005-present
http://www.matrix.msu.edu
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 Organizationshttp://www.pamuseums.org
Commonwealth Keystone Building, Plaza Level
400 North Street
Harrisburg, PA 17120-0053
Pennsylvania Historical Association
http://www.pa-history.org
108 Weaver Building
Penn State University
University Park, PA 16802-5500
Interactive Map Development
Pennsylvania Spatial Data Access
http://www.pasda.psu.edu/ 
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
Abraham Lincoln and the Politics of the Civil War
The Arsenal of America: Pennsylvania During the Second World War
The French and Indian War in Pennsylvania
Lewis and Clark in Pennsylvania
Pennsylvania Politics 1865-1930
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 Power of Words: Writers and Publishers
Set Apart: Religious Communities in Pennsylvania
The Struggle Against Slavery: The Abolition Movement and Underground Railroad
"The Surest Foundation of Happiness" : Education in Pennsylvania
Copyright, WITF
Historical Marker Trademark, PHMC
All images found on ExplorePAhistory.com are intended for educational purposes (teaching, scholarship, or research) and are shown with authorization from the credited copyright holder.
