Ginette Kolinka is a 98-year-old survivor of the Auschwitz-Birkenau camp. Since the 2000s, she has been an “ambassador for memory” who speaks to young people about her experiences in the Shoah. In 2019, she and Marie Ruggieri published Return to Birkenau (Grasset), as well as A Happy Life in 2023. Jean-David Morvan is a comic book writer fascinated by issues relating to war. His work includes an adaptation of Dorgelès’ Les Croix de Bois with Facundo Percio (Albin Michel), the Irena series with Tréfouël and Evrard (Glénat) and Madeleine, résistante with Madeleine Riffaud and Dominic Bertail (Aire Libre). For the latter, he was awarded the René Goscinny Prize for best scriptwriter. Victor Matet is a journalist and presenter at France Info. He produced several reports on Ginette Kolinka before co-creating a comic strip about her. Ricard Efa is a self-taught comic book artist. He has published around twenty titles since 2001. He is particularly known for biographical comics, such as those of Django (Aire Libre), Degas ou Monet (Le Lombard). The latter earned him a nomination for the Eisner Awards in 2018. He lives in Barcelona. Cesc F. Dalmases, born in Sabadell (Barcelona), is the author of various comic strips, including adaptations of such novels as The Bridge of the Jews (Marti Gironell), Victus (Alvert Sanchez Piñol), The Immortal Pyramid (Javier Sierra). His works have been translated into several languages. He often works on sports-themed comics, like Barcelona: The School of Dreams and Barcelona: Eternal Barcelona at Dupuis.