List of Famous people who are 84

Barry Charles Mazur is an American mathematician and the Gerhard Gade University Professor at Harvard University. His contributions to mathematics include his contributions to Wiles's proof of Fermat's Last Theorem in number theory, Mazur's torsion theorem in arithmetic geometry, the Mazur swindle in geometric topology, and the Mazur manifold in differential topology.

Sergey Stepanovich Ling is a Belarusian politician and agronomist. He was Prime Minister of Belarus from 1996 to 2000 and Permanent Representative of Belarus to the United Nations (2000-2002).

Jan Harlan is a German-American executive producer and the brother of Christiane Kubrick, director Stanley Kubrick's widow. He is the nephew of the film director Veit Harlan.

Rupert Scholz is a German politician of the Christian Democratic Union.

Robert Mangold is an American minimalist artist. He is also father of film director and screenwriter James Mangold.

Yuri Ivanovich Manin is a Russian mathematician, known for work in algebraic geometry and diophantine geometry, and many expository works ranging from mathematical logic to theoretical physics. Moreover, Manin was one of the first to propose the idea of a quantum computer in 1980 with his book Computable and Uncomputable.

James Sillars is a Scottish politician and a leading figure in the campaign for Scottish independence. Sillars served as a Labour Party MP for South Ayrshire from 1970 to 1976. He founded and led the pro-Scottish Home Rule Scottish Labour Party in 1976, continuing as MP for South Ayrshire until he lost the seat in 1979. Sillars joined the Scottish National Party in 1980 and later served as MP for Glasgow Govan after winning a by-election in 1988, and was Depute Leader of the Scottish National Party. He was married to Margo MacDonald until her death in 2014.

Valentyn Vasylyovych Silvestrov is a Ukrainian composer and pianist of contemporary classical music.