William Lescaze was a Swiss-American architect known for his contributions to modern architecture in the United States. Born in 1896 in Switzerland, he moved to the United States in the 1920s, where he became a prominent figure in the International Style movement. Lescaze is best known for designing the Philadelphia Savings Fund Society Building, which was one of the first skyscrapers in the U.S. to embrace modernist principles. Throughout his career, Lescaze emphasized functionality and simplicity in his designs. He was also involved in various architectural organizations and taught at several institutions, influencing a generation of architects. His work remains significant in the history of American architecture, showcasing the blend of European modernism with American innovation.