1915- 1915-1988 1921-2016 1930-1984 1931- 1932- 1932-1999 1946- bill biography casestudies clinton denis erich familyrelationships franzjosef gorbachev gorbacheva headsofstate hillaryrodham honecker margaret margot marianne marriedpeople mikhailsergeevich nancy politicsandgovernment reagan ronald sovietunion spousesofheadsofstate strauss thatcher