Photo credit: Canva (left), Unknown/Wikimedia Commons (right) – Holocaust memorial in Budapest, Hungary (left), Dietrich Bonhoeffer with religious students in 1932 (right)
Photo credit: Mariordo (Mario Roberto Durán Ortiz) (left), public domain (right) – The "Mona Lisa" and thousands of other art pieces were hidden around France during WWII.
Photo credit: Image dated November 25, 1969, via SIO Photographic Laboratory Collection: Selections, UC San Diego Library – This photo was taken of Theodor Seuss Geisel at the UC San Diego Library.