Valentin Mikhaylovich Falin (Russian: Baлeнтин Mиxaйлoвич Фaлин) (born 3 April 1926) is a former Soviet diplomat and politician. Born in Leningrad he graduated from the Moscow State Institute of International Relations in 1950. From 1951–1958 he worked at the USSR Foreign Ministry. From 1971 – 78 he was the Ambassador of the USSR to the German Federal Republic. In 1978 he was appointed First Deputy Chief of the International Information Department of the Central Committee of the CPSU. From 1982 – 86 he was a political observer in the newspaper Izvestia. In 1989-1991 he was the Chairman of International Department of the Central Committee of the Communist Party of the Soviet Union. It has been reported that in 1991 shortly after the August Coup investigators found $600,000 in his office.

Heinz Alfred "Henry" Kissinger ( /ˈkɪsɪndʒər/; born May 27, 1923) is a German-born American writer, political scientist, diplomat, and businessman. A recipient of the Nobel Peace Prize, he served as National Security Advisor and later concurrently as Secretary of State in the administrations of Presidents Richard Nixon and Gerald Ford. After his term, his opinion was still sought by many subsequent presidents and many world leaders.

A proponent of Realpolitik, Kissinger played a dominant role in United States foreign policy between 1969 and 1977. During this period, he pioneered the policy of détente with the Soviet Union, orchestrated the opening of relations with the People's Republic of China, and negotiated the Paris Peace Accords, ending American involvement in the Vietnam War. Various American policies of that era, including the bombing of Cambodia, remain controversial to many.

Kissinger is still a controversial figure today. He is the founder and chairman of Kissinger Associates, an international consulting firm.

Egon Karl-Heinz Bahr (born March 18, 1922) is a German SPD politician.

The former journalist was the creator of the "Ostpolitik" promoted by West German Chancellor Willy Brandt, for whom he served as Secretary of the Prime Minister's Office from 1969 until 1972. Between 1972 and 1990 he was an MP in the Bundestag of the Federal Republic of Germany and from 1972 until 1976 was also a Minister of the Federal Government.

Bahr was a key figure in multiple negotiation sessions between not only East and West Germany, but also Germany and the Soviets. In addition to his instrumental role in Ostpolitik, Bahr was also an influential voice in negotiating the Treaty of Moscow, the Treaty of Warsaw, the Transit Treaty of 1971, and the Basic Treaty of 1972.

As a politician, Bahr understood himself as motivated by a sense of maintaining "the national integrity" of Germany as a whole as much as possible.

After completing his secondary education in 1940, Bahr continued his education as an industrial specialist at the Rheinmetall-Borsig armament corporation in Berlin. During World War II, Bahr served as a soldier in the Wehrmacht from 1942 until 1944, ultimately in the capacity of “Fahnenjunker” (cadet) in the Luftkriegsschule VI in Kitzingen. He was, however, demoted after being accused of being non-Aryan (on account of an allegedly Jewish grandmother) and, thus, having “snuck into the Wehrmacht”. Thereafter, he received a posting as an armaments worker at Rheinmetall-Borsig.

Helmut Josef Michael Kohl (German pronunciation: [ˈhɛlmuːt ˈkoːl]; born 3 April 1930) is a German conservative politician and statesman. He was Chancellor of Germany from 1982 to 1998 (of West Germany between 1982 and 1990 and of the reunited Germany between 1990 and 1998) and the chairman of the Christian Democratic Union (CDU) from 1973 to 1998. His 16-year tenure was the longest of any German chancellor since Otto von Bismarck and oversaw the end of the Cold War and the German reunification. Kohl is widely regarded as one of the main architects of the German reunification and, together with French President François Mitterrand, the Maastricht Treaty, which contributed to the creation of the European Union.

Kohl and Mitterrand were the joint recipients of the Karlspreis in 1988. In 1998, Kohl was named Honorary Citizen of Europe by the European heads of state or government for his extraordinary work for European integration and cooperation, an honour previously only bestowed on Jean Monnet. In 1996, he won the prestigious Prince of Asturias Award in International Cooperation.

Willy Brandt (born Herbert Ernst Karl Frahm; German pronunciation: [ˈvɪli ˈbʁant]; 18 December 1913 – 8 October 1992) was a German politician, Mayor of West Berlin 1957–1966, Chancellor of West Germany 1969–1974, and leader of the Social Democratic Party of Germany (SPD) 1964–1987.

Brandt's most important legacy was Ostpolitik, a policy aimed at improving relations with East Germany, Poland, and the Soviet Union. This policy caused considerable controversy in West Germany, but won Brandt the Nobel Peace Prize in 1971.

In 1974, Brandt resigned as Chancellor after Günter Guillaume, one of his closest aides, was exposed as an agent of the Stasi, the East German secret service.

Willy Brandt was born Herbert Ernst Karl Frahm in the Free City of Lübeck (German Empire) to Martha Frahm, an unwed mother who worked as a cashier for a department store. His father was an accountant from Hamburg named John Möller, whom Brandt never met. As his mother worked six days a week, he was mainly brought up by his mother's stepfather Ludwig Frahm and his second wife Dora.