Simplify the following text for a Grade 10 native English-speaking person.
Original: Andrei Arsenyevich Tarkovsky ( April 4 , 1932 â `` December 29 , 1986 ) was a Soviet and Russian filmmaker , writer , film editor , film theorist and opera director , widely regarded as one of the finest filmmakers of the 20th century .
Simplified: Andrei Arsenyevich Tarkovsky ( April 4 , 1932 - December 29 , 1986 ) was a Soviet film director , writer and opera director .