Henry Dreyfuss was an influential American industrial designer known for his work in the mid-20th century. He focused on creating user-friendly products, emphasizing the importance of ergonomics and aesthetics. His designs included household appliances, telephones, and trains, which aimed to improve everyday life. Dreyfuss founded the Henry Dreyfuss Associates design firm and authored the book "Designing for People," which highlighted the significance of understanding human needs in design. His notable projects include the Western Electric Model 500 telephone and the New York Central Railroad's streamlined trains, showcasing his commitment to functional and appealing design.