Arnaud De La Croix is a historian, author, and editor with a passion for comics and history. He has written both graphic novels and academic histories of the Middle Ages and World War II, some of which have been translated into English. He has been a professor at the Royal Academy of Fine Arts in Brussels, an editor at Le Cri, Duculot, Castermann, Le Lombard, and an editorial director at Dargaud-Lombard-Dupuis. Vicente Cifuentes is a cartoonist who was born in Albacete, Spain. He has collaborated with renowned comics writers such as Alan Moore and Roy Thomas, and he has worked on Marvel's X-Men, Hulk, and New Exiles and DC Comics' Batgirl, Green Lantern, Superman, Justice League Dark, and Aquaman, among others.