Mikhail Gorbachev remembered by Pavel Palazhchenko
Baroness Thatcher with former Soviet president Mikhail Gorbachev, outside her London home in 1993. Photograph: Neil Munns/PA
Gorbachev and Ronald Reagan exchange pens as they sign the Intermediate-range Nuclear Forces (INF) treaty, with Pavel Palazhchenko, centre, interpreting, 1987. Photograph: Bob Daugherty/AP
