The Last Day of Summer (Polish: Ostatni dzień lata ) is a 1958 romantic drama film directed by the Polish film director Tadeusz Konwicki.
Harry Sweet (October 2, 1901 – June 18, 1933) was an American actor, director and screenwriter.
 He appeared in 57 films between 1919 and 1932.
 He also directed 54 films between 1920 and 1933, including one Harry Langdon short, two of the Tay Garnett- penned comedies Stan Laurel made for Joe Rock, and fifteen of the earliest entries in the Edgar Kennedy "Average Man" series.
Jan Walc (22 September 1948, Warsaw - 10 February 1993, Warsaw) was a Polish critic, literary historian, and journalist.
 He was the author of Feuilletons, reviews, reportage, and political and literary essays.
 A member of the democratic anti-communist opposition, the Workers Defense Committee (KOR), he was one of the organizers of the Independent Publishing House (NOWa), an underground publishing company and also operated the printing press.
 His works were published in Polityka, Kultura, Literatura na Świecie, Głos, "Krytyka", "Biuletyn Informacyjny", "Kultura Niezależna", "Puls", "Zapis", Życie Warszawy, and "Wokanda".
 He also wrote books on the works of Tadeusz Konwicki and Adam Mickiewicz.
The Issa Valley (Polish: Dolina Issy ) is a 1982 film adaptation of 1955 novel by Czesław Miłosz, directed by Tadeusz Konwicki.
How Far Away, How Near (Polish: Jak daleko stąd, jak blisko ) is a 1972 film directed by Tadeusz Konwicki.
Tadeusz Konwicki (22 June 1926 – 7 January 2015) was a Polish writer and film director, as well as a member of the Polish Language Council.
Salto is a 1965 Polish drama film written and directed by Tadeusz Konwicki.
 It was released on 11 June 1965 in Poland.
 The director of photography is Kurt Weber and the music was by Wojciech Kilar.
 The title can be translated as "somersault" in English, or it can be seen as a reference to a rhythmic dance movement.
 The film received an Honorary Diploma at the Edinburgh International Film Festival, 1967.
A Tale of Adam Mickiewicz's 'Forefathers' Eve' (Polish: "Lawa.
 Opowieść o 'Dziadach' Adama Mickiewicza" ) is a 1989 Polish drama film directed by Tadeusz Konwicki.
 It was entered into the 16th Moscow International Film Festival.
The Little Apocalypse (French: La Petite Apocalypse ) is a 1993 French comedy film, an adaptation of Tadeusz Konwicki's novel, directed by Costa-Gavras.
 It was entered into the 43rd Berlin International Film Festival.
 It follows the trials of a Pole who lives in France who wants his written work published.
 Unable to get anywhere, he starts to enlist help from others, resorting to some unusual extremes.
All Souls' Day is the English title for "Zaduszki", a film released in 1962, directed by the Polish film director Tadeusz Konwicki.

Question: Were Harry Sweet and Tadeusz Konwicki both directors?
Answer: yes