1996 – Stephan Schmidheiny (entrepreneur)[37] 1995 – Ronald Venetiaan (President of Suriname) [38] 1991 - Sofía of Spain (Queen consort of Spain) 1991 – Juan Carlos I (King of Spain) 1990 – Václav Havel (President of Czechoslovakia)[39] 1990 – Daisaku Ikeda (president of the Soka Gakkai)[40] 1987 – Mário Soares (President of Portugal)