What was Francis Cabot Lowell most famous for?

Francis Cabot Lowell was most famous for revolutionizing the textile industry in the early 19th century by establishing the first fully integrated cotton mill in the United States. He introduced the concept of the factory system, which combined spinning and weaving under one roof, significantly increasing efficiency and production. Lowell also played a key role in the development of Lowell, Massachusetts, as a model industrial city, which became a center for textile manufacturing. His innovations paved the way for the growth of American industrialization.