In a five-hour interview with USC Shoah Foundation, Justus Rosenberg refers to himself as “small fry,” “a cog,” an unimportant person. And perhaps it was for this reason that for decades, the Bard College literature professor hadn’t let on—to his colleagues, to his students, and even, for a time, to his own wife—that he had fought and outwitted the Nazis during World War II to save thousands from persecution.

Annabel Carballo-Mesa is a PhD candidate at the University of Barcelona. Since January 17 she has been in Los Angeles conducting research with Visual History Archive (VHA) testimonies for a dissertation provisionally entitled “Na Bister! (Don’t Forget!) An Oral History of the Roma and Sinti Genocide”.