Danica Davidson is the author of Manga Art for Beginners and the Minecrafter novels series Overworld Adventures and Overworld Heroes Adventures. A longtime manga fan, her work on manga has been published by MTV, CNN, the Onion, Otaku USA, Publishers Weekly, Booklist, and Anime News Network. She has both written the English adaptation and worked on the editing process for manga published in America. She lives near Kalamazoo, Michigan.

Eva Mozes Kor was a resident of Terre Haute, Indiana. Following her survival of Auschwitz, she became a recognised speaker, both nationally and internationally, on topics related to the Holocaust and social justice. Eva created the CANDLES organisation in 1985 to locate other Mengele twins and found 122 twins across the world.

Ten years later, she opened the CANDLES Holocaust Museum to educate the public about the historic event she survived. A community leader, champion of human rights, and tireless educator, Eva has been covered in numerous media outlets and is the subject of a documentary, Forgiving Dr. Mengele. She passed away in 2019.