Dr. Gerald Holton and Dr. Gerhard Sonnert donated oral history interviews and supplementary document files from their Project Second Wave collection to the United States Holocaust Memorial Museum in March 2009. Dr. Holton and Dr. Sonnert produced the Project Second Wave collection in association with Harvard University and with support by a grant from the Andrew W. Mellon Foundation. The results of their study were published in the book"What Happened to the Children who fled Nazi Persecution"