Gustaf Clason was a Swedish architect and designer known for his contributions to modern architecture in the early 20th century. He played a significant role in the development of functionalist design, which emphasizes simplicity and practicality in buildings. Clason's work often featured clean lines and a focus on the relationship between form and function. In addition to his architectural projects, Clason was involved in urban planning and contributed to various public works. His designs reflect the principles of the International Style, which sought to create structures that were both aesthetically pleasing and efficient. Clason's legacy continues to influence contemporary architecture.