Graduate of Harvard University, Radcliffe College (1957) and George Washington University (Ph.D. in Clinical Psychology, 1972). Chair of the Founding Committee of the International Institute for Jewish Genealogy and Paul Jacobi Center. Author or co-author of seven resource genealogical books, including the Avotaynu Guide to Jewish Genealogy and the prize-winning Where Once We Walked. Directed major genealogical projects, such as the creation of a Holocaust-era assets database and the microfilming of confiscated Russian consular records held in the US National Archives. Founding president of Jewish Genealogy Society of Greater Washington; chair or co-chair of seven Jewish genealogical conferences; member of advisory boards at the U.S. National Archives and Beth Hatefutsoth. Recipient of the IAJGS Lifetime Achievement Award (2000). With Gary Mokotoff, co-recipient of a one-time Body of Work Award from the Jewish Librarian's Association for their joint role in developing and enriching the field of Jewish Genealogy. Only genealogist whose biography appears in Jewish Women in America: an Historical Encyclopedia.