Louis Kahn — American Architect born on February 20, 1901, died on March 17, 1974

Louis Isadore Kahn was an American architect, based in Philadelphia. After working in various capacities for several firms in Philadelphia, he founded his own atelier in 1935. While continuing his private practice, he served as a design critic and professor of architecture at Yale School of Architecture from 1947 to 1957... (wikipedia)