United States Holocaust Memorial Museum Collection, Gift of Ralph S. Berger and Albert S. Berger United States Holocaust Memorial Museum Collection, Gift of Albert S. Berger and Ralph S. Berger The collection was donated to the United States Holocaust Memorial Museum by Ralph S. Berger in 1997. He and brother Albert S. donated an accretion in 2017. Both collections, 1997.A.0253 and 2017.262.1 have been unified under the new accession number of 2017.262.5.