(1886-1969) a US architect, born in Germany, who was known for his glass and steel skyscrapers (= very tall buildings). He helped to develop modern architecture and is considered one of the major architects of the 20th century. He used simple designs and said 'less is more'. The buildings in the US which he designed include the Lakeshore Drive Apartments in Chicago (1948-51) and, with Philip Johnson, the Seagram Building in New York (1954-58). He also designed furniture.