Forman first attracted worldwide attention with features like "Black Peter", "The Loves of a Blonde" (1965) - an Oscar nominee for best foreign-language film and "The Firemen's Ball".
Born in Czechoslovakia on February 18, 1932, Forman lost his parents to the Holocaust, and spent much of his childhood being raised in a boarding school for orphans.
In 1974, Forman was given a second chance to make an "American" film.
In 1975, he rose to fame when he directed Hollywood blockbuster "One Flew Over the Cuckoo's Nest", an adaptation from a Ken Kesey novel. The film swept the major Oscar categories and Forman was honored as Best Director.
Forman established his reputation in America four years later with the release of One Flew Over The Cuckoo's Nest, featuring Jack Nicholson in the lead.
Porn baron Larry Flynt, publisher of X-rated Hustler magazine who became an unlikely emblem of free speech following a string of legal battles over his work, was eulogised by Forman in this biopic with Oscar-nominated Woody Harrelson in the title role. "Milos Forman was our friend and our teacher".
The People vs Larry Flynt (1996).
According to a report in CNN, Forman was always fascinated with the world of theatre and he also founded his own amateur theatre group in the 1950s, eventually also studying direction at the Prague Film Academy.
He was father to two sets of twin boys, with his second and third wives.
Seeing his country come under the control of an oppressive regime, Forman, who was already in the US producing his next project "Taking Off", chose to immigrate to the states for good.
Fellow filmmakers and fans alike have taken to Twitter to share their admiration of Forman.