Many people contributed to this project, each in their own way. We would like to extend our heartfelt thanks to all of them.

The members of the core production team are: Mark Alexander, Angela Chu, Robert Ehrenreich, Noah Glushien, Emil Kerenji, Sarah Lumbard, Jürgen Matthäus, J. Luke Ryder, Gretchen Skidmore, Robert Twitty, Lynne Venart, and Leah Wolfson.

Special thanks are extended to Madeleine Cohen, Danie DeLeon, and Melanie Bender Martin, who served as critical members of the original core team. Without their strategic guidance, this tool would not have come to fruition.  Wes Lindamood also offered key feedback during his tenure at the Museum.

We would like to thank the following colleagues at the United States Holocaust Memorial Museum: Andres Abril, Lenore Bell, Barri-Sue Black, Suzanne Brown-Fleming, Rebecca Carter-Chand, Subramaniam Chandrasekaran, Judith Cohen, Ronald Coleman, Kris Donly, Rebecca Erbelding, Robin Harp, Greg Jacobson, Timothy Kaiser, Heather Kajic, Alison Kitchens, Stacy Knepp, Jessica Knight, Yariv Lapid, Lisa Leff, Kristin Levere, Michael Levy, Megan Lewis, Allison Lurey, Steve Luckert, Julia McStravog, Anne Merrill, Ann Millin, Sarah Ogilvie, Lisa Pearl, Wrenetta Richards, Kyra Schuster, Paul Shapiro, Vincent Slatt, Suzy Snyder, Cara Sodos, Lesley Swift, Caroline Waddell, Kristen Walker, JoAnna Wasserman, Robert Williams, Elliott Wrenn, and Lindsay Zarwell.

We gratefully acknowledge the invaluable help of: Esther Adaire, Omri Bassewitch Frenkel, Sara Brinegar, Sean Bye, Nicole Eaton, Tomasz Frydel, Yedida Kanfer, Daniel Kennedy, Adam Knowles, Abigail Lewis, Kathleen Luft, Katarzyna Person, Katarzyna Pietrzak-Kret, Hadar Sadeh Markin, Michal Shaul, Stephen Scala, Amy Simon, Rachel Smith, Lara Szypszak, and Anita Tarnai.

We also gratefully acknowledge the contributions of the University of Michigan (Ann Arbor) HistoryLab graduate course in Winter 2019 and Winter 2020: Jeff Veidlinger, Joseph Brodsky Collegiate Professor of History and Judaic Studies and Rita Chin, Professor of History and Associate Dean for Academic Programs and Initiatives, Rackham Graduate School, instructors; and students Richard A. Bachmann, Leila Braun, Émilie Duranceau Lapointe, Ryan Glauser, Pragya Kaul, Gianna May Sanchez, David Helps, Keanu Heydari, Michael Martin, Marina Mayorski, Shourjendra Nath Mukherjee, Paige Newhouse, Lediona Shahollari, Chloe Thompson, Matthew Villeneuve, and Sophie Wunderlich.