Stanislaw Lenartowicz was a Polish film director and screenwriter. He was born on February 7, 1921, in Dzianowo in the Vilnius region. During the war, he was a soldier of the Home Army, then a prisoner of the Kaluga camp in Russia. Following repatriation in 1946, he settled in Wrocław. He graduated from the Faculty of Philology of the University of Wroclaw and the Directing Department of Łódź Film School (1953), where his supervisor was Antoni Bohdziewicz.

He began directing films for the Educational Film Studio in Łódź, with which he cooperated in 1952-1955. It was there that he made Miniatury Kodeksu Behema/The Behem Code Miniatures (1953), awarded the Special Award at the Oberhausen festival five years later. Later, he adapted the novel by Stanisław Dygat as part of the film Trzy starty/Three Takeoffs (1955).