Willam Kauder's Royal Air Force (RAF), United Kingdom, flight log, documents, including a Letter of commendation, a photo of a memorial tombstone for his sister, Edith (Edita), her husband, Erich, and their son, Harry, and a photo of three unidentified people, two men and a woman, walking down a street. William (born Vilem) was originally from Prague (now Czech Republic), and escaped while German forces were invading during World War II. His parents, Hugo and Pauline, and sister Edith and her family, were unable to leave. They were deported in 1942 and killed in concentration camps.