Robert J. Flaherty was an American filmmaker and is often regarded as the father of documentary filmmaking. He is best known for his groundbreaking film, Nanook of the North, released in 1922, which depicted the life of an Inuit family in the Arctic. Flaherty's work emphasized the importance of capturing real-life experiences and stories, blending artistry with authenticity. Flaherty's innovative approach to filmmaking influenced many future documentarians and filmmakers. He often spent extended periods with his subjects to gain their trust and create a more genuine portrayal of their lives. His contributions to the genre have left a lasting legacy in the world of cinema.