The Pritzker Military Library and Museum, formerly the Pritzker Military Library, is a non-profit museum and research library for the study of military history, located on Michigan Avenue. Founded in 2013, this foundation's collections include videos, artwork, posters, more than 9,000 photographs, photographic plates from the American and Spanish Civil Wars, letters and journals of American soldiers, a large collection relating to Winston Churchill, and the memoirs of World War II veteran Sam Jefferts. He donated these notes to the museum and library, and many more.