Are Tadeusz Konwicki and Danny Leiner both film directors ?
yes
Title: Danny Leiner
Passage: Danny Leiner is a film director whose credits include "The Great New Wonderful", "Harold & Kumar Go to White Castle", "Dude, Where's My Car? ", "Layin' Low", and "Time Expired".
Title: The Issa Valley (film)
Passage: The Issa Valley (Polish: Dolina Issy ) is a 1982 film adaptation of 1955 novel by Czesław Miłosz, directed by Tadeusz Konwicki.
Title: Tadeusz Konwicki
Passage: 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.
Tadeusz Konwicki Danny Leiner