Favorite "Father of ...." Biopic?

In celebration of all fathers everywhere, a fatherly themed biopic or biographical documentary poll on Father's Day. This poll is dedicated to one particular dad, Jay L. for Father's Day

Which of these select feature films about a game-changing person who is commonly regarded as the "father of ...." for a notable discovery, a pioneering effort or for inspiring a nation, is your favorite "father of" biopic, or alternatively, who is your favorite "father of" individual?

Vote in the companion poll: Favorite "Mother of ..." Biopics

Discuss the topic here. #FathersDay