United States Holocaust Memorial Museum Collection, Gift of Gene Berkowicz The Berkowicz family collections was donated to the United States Holocaust Memorial Museum under two separate donations made in 1995 and 2000. The first donation was given the accession number 1995.A.0128, while the second was given the number 2000.463.1. These two collections have since been unified, and can now be located under the first accession number: 1995.A.0128.