List of Famous people who died at 86

Ralph Asher Alpher was an American cosmologist, who carried out pioneering work in the early 1950s on the Big Bang model, including Big Bang nucleosynthesis and predictions of the cosmic microwave background radiation.

Gerald Edward Brown was an American theoretical physicist who worked on nuclear physics and astrophysics. Since 1968 he had been a professor at the Stony Brook University. He was a distinguished professor emeritus of the C. N. Yang Institute for Theoretical Physics at Stony Brook University.

Leo Chiosso was an Italian lyricist mostly known for his work with Fred Buscaglione. They formed a songwriting duo who produced about forty songs and created Buscaglione's public persona, a humorous tough guy with a penchant for whisky and women.

Luigi Origene Soffrano, better known by his stage name Jimmy il Fenomeno was an Italian actor who played supporting roles within the Italian cinema.