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Our Principles


Social Studies

Grades 6–12

Authors and Thought Leadership

Authors and Consultants

Jackson J. Spielvogel, Ph.D.
World History Author

Daina Ramey Berry, Ph.D.
United States History Author

Albert S. Broussard, Ph.D.
United States History Author

Lorri Glover, Ph.D.
United States History Author

James M. McPherson, Ph.D.
United States History Author

Donald A. Ritchie, Ph.D.
United States History Author

Douglas Fisher, Ph.D.
World and United States History
Contributing Author

Dinah Zike, M.Ed.
Content Consultant Foldables™

Tim Dove
Content Consultant
Global Studies/Pedagogy

Linda Keane
Content Consultant 
Special Needs

Nafees Khan, Ph.D.
Content Consultant
Slavery; Social Studies Methods

Nicole Law, Ph.D.
Content Consultant 
Culturally Responsive Teaching

Peter Levine, Ph.D.
Content Consultant 
Civic Engagement

Emily Schell, Ph.D.
Content Consultant
Global Citizenship; Geography

Meena Srinivasan, M.A., NBCT
Content Consultant
Social and Emotional Learning (SEL)

Medium Blog


Program Authors

Jackson J. Spielvogel, Ph.D.
World History

Dr. Spielvogel is Associate Professor of History Emeritus at the Pennsylvania State University, where he helped inaugurate the Western civilization courses. He has won five major university-wide teaching awards, including the Penn State Teaching Fellowship, the Dean Arthur Ray Warnock Award for Outstanding Faculty Member, and the Schreyer Honors College Excellence in Teaching Award. The author of Hitler and Nazi Germany and Western Civilization, he received his Ph.D. from the Ohio State University.

Daina Ramey Berry, Ph.D.
United States History

Dr. Berry is the Oliver H. Radkey Regents Professor and Chair of the History Department at the University of Texas at Austin. She is the author and editor of several books, including The Price for Their Pound of Flesh, and a coauthor of A Black Women’s History of the United States. Dr. Berry is an Associate Editor for the Journal of African American History and a Distinguished Lecturer for the Organization of American Historians.

Albert S. Broussard, Ph.D.
United States History

Dr. Broussard is professor of History at Texas A&M University, where he has taught since 1985. Professor Broussard has published three books, Expectations of Equality: A History of Black Westerners; Black San Francisco: The Struggle for Racial Equality in the West, 1900–1954; and African American Odyssey: The Stewarts, 1853–1963. He is a former president of the Oral History Association and a former chair of the Nominating Committee of the Organization of American Historians.

Lorri Glover, Ph.D.
United States History

Dr. Glover is the Bannon Endowed Chair in the History Department at Saint Louis University and the author or editor of ten books, including Founders as Fathers: The Private Lives and Politics of the American Revolutionaries and The Fate of the Revolution: Virginians Debate the Constitution. Glover has served as president of the Southern Association for Women Historians, a Distinguished Lecturer with the Organization of American Historians, and on the Executive Council of the Southern Historical Association.

James M. McPherson, Ph.D.
United States History

Dr. McPherson is the George Henry Davis Professor Emeritus of American History at Princeton University. He is the author of 11 books about the Civil War era, including Tried by War: Abraham Lincoln as Commander in Chief, for which he won a second Lincoln Prize in 2009. McPherson is a member of many professional historical associations, including the Civil War Preservation Trust.

Donald A. Ritchie, Ph.D.
United States History

Dr. Ritchie is Historian Emeritus of the United States Senate. He received his doctorate in American history from the University of Maryland after service in the U.S. Marine Corps and has taught American history at various levels, from high school to university. He is the author of several books, including The U.S. Congress: A Very Short Introduction and Press Gallery: Congress and the Washington Correspondents, which received the Organization of American Historians’ Richard W. Leopold Prize.

Contributing Authors

Douglas Fisher, Ph.D.
World History (Middle School Only)
United States History (Middle School Only)

Dr. Douglas Fisher is Professor and Chair of Educational Leadership at San Diego State University and a leader at Health Sciences High & Middle College. He is the recipient of an International Reading Association William S. Grey citation of merit as well as a Christa McAuliffe award for excellence in teacher education. He has published numerous articles on reading and literacy, differentiated instruction, and curriculum design as well as several books.

Content Consultants

Dinah Zike, M.Ed

  • Creator of Foldables™
  • Dinah Zike Academy
  • Author, Speaker, Educator

Tim Dove
Global Studies/Pedagogy/Teacher
Material/Inquiry

  • M.S., Curriculum and Instructional Design 
  • Educational reform consultant
  • Former social studies teacher; two-time Ohio Teacher of the Year recipient

Linda Keane
Special Needs

  • Master of Science in Literacy and Learning in the Content Areas
  • Special Education Resource Teacher, Merrimack Middle School

Nafees Khan, Ph.D.
Slavery; Social Studies Methods

  • Assistant Professor of Social Foundations, Clemson University, College of Education, Teaching and Learning

Nicole Law, Ph.D.
Culturally Responsive Teaching

  • Culturally responsive and equitable teaching practices
  • ELL, Special Needs
  • Former curriculum coordinator for ELL, cultural responsivity, district equity, and mathematics and science instruction in the Metropolitan School District of Wayne Township in Indianapolis, IN

Peter Levine, Ph.D.
Civic Engagement

  • Lincoln Filene Professor of Citizenship & Public Affairs in Tufts University’s Jonathan Tisch College of Civic Life
  • Former director of CIRCLE, The Center for Information and Research on Civic Learning and Engagement

Emily Schell, Ph.D.
Global Citizenship; Geography

  • Professor, Teacher Education, San Diego State University

Meena Srinivasan, M.A., NBCT
Social and Emotional Learning (SEL)

  • National Board-Certified Teacher, Social Studies
  • Executive Director, Transformative Educational Leadership
  • Author of SEL Every Day and Teach, Breathe, Learn
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