Bruno Kreisky was an Austrian social democratic politician who served as Foreign Minister from 1959 to 1966 and as Chancellor from 1970 to 1983. Aged 72 at the end of his chancellorship, he was the oldest Chancellor after World War II. His 13-year tenure was the longest of any Chancellor in republican Austria.

Willy Brandt was a German politician and statesman who was leader of the Social Democratic Party of Germany (SPD) from 1964 to 1987 and served as the chancellor of West Germany from 1969 to 1974. He was awarded the Nobel Peace Prize in 1971 for his efforts to strengthen cooperation in western Europe through the EEC and to achieve reconciliation between West Germany and the countries of Eastern Europe. He was the first Social Democratic chancellor since 1930.