Robert Fabre was a French politician and pharmacist.

He was a founding member of the Left Radical Movement

Left Radical Party

The Radical Party of the Left is a minor social-liberal, and in opposition to its common understanding of its name, a moderate centre-left political party in France advocating radicalism, secularism to its french extend known as laïcité, progressivism, pro-Europeanism, individual freedom and...

 (MRG) in 1972 and served as the leader of the MRG until 1978. In this capacity, he became known as the "third man" - the third signatory of the Common Programme of the Union of the Left with François Mitterrand

François Mitterrand

François Maurice Adrien Marie Mitterrand was the 21st President of the French Republic and ex officio Co-Prince of Andorra, serving from 1981 until 1995. He is the longest-serving President of France and, as leader of the Socialist Party, the only figure from the left so far elected President...

 (PS

Socialist Party (France)

The Socialist Party is a social-democratic political party in France and the largest party of the French centre-left. It is one of the two major contemporary political parties in France, along with the center-right Union for a Popular Movement...

) and Georges Marchais

Georges Marchais

Georges René Louis Marchais was the head of the French Communist Party from 1972 to 1994, and a candidate in the French presidential elections of 1981 - in which he managed to garner only 15.34% of the vote, which was considered at the time a major setback for the party.-Early life:Born into a...

 (PCF

French Communist Party

The French Communist Party is a political party in France which advocates the principles of communism.Although its electoral support has declined in recent decades, the PCF retains a large membership, behind only that of the Union for a Popular Movement , and considerable influence in French...

). He was himself excluded from the party in 1979 when he accepted a special research mission on work offered to him by right-wing President Valéry Giscard d'Estaing

Valéry Giscard d'Estaing

Valéry Marie René Georges Giscard d'Estaing is a French centre-right politician who was President of the French Republic from 1974 until 1981...

. He founded the Federation of Radical Democracy, but the party never achieved significant success.

He died in 2006, shortly after the death of Jean-Jacques Servan-Schreiber

Jean-Jacques Servan-Schreiber

Jean-Jacques Servan-Schreiber, often referred to as JJSS was a French journalist and politician. He co-founded L'Express in 1953 with Françoise Giroud, and then went on to become president of the Radical Party in 1971...

, his rival within the Radical-Socialist Party. Servan-Schreiber has been the leader of the right-wing of the Radical Party.