Robert Drew was an American filmmaker and a pioneer in the field of documentary filmmaking. He is best known for his innovative approach to cinéma vérité, a style that emphasizes naturalistic and unobtrusive storytelling. Drew's work often focused on real-life events and people, capturing authentic moments without scripted dialogue. Throughout his career, Drew directed and produced several influential documentaries, including Primary, which followed the 1960 Wisconsin Democratic primary election. His contributions to the genre have inspired many filmmakers and helped shape the way documentaries are made today, emphasizing the importance of capturing reality as it unfolds.