As of April 2, 2012, the 72-year confidentiality period concluded for the 1940 census. As a result, the U.S. Census Bureau finally disclosed the number of missing African-Americans from the 1940 census, including Wimbledon Tennis champion, Althea Gibson and her entire family. http://www.blackamericaweb.com/?q=articles/news/the_black_diaspora_news/40581
