Johnson was at home in New Canaan, Connecticut, when he died on Tuesday evening, according to his lawyer's office.

His cause of death was not immediately available.

Johnson was a prolific designer whose creations include the so-called Glass House, a transparent box, in Connecticut, the New York State Theatre, New York's Asia House and the American Telephone & Telegraph Building in Manhattan, which is known as the "Chippendale Building" and is now owned by Sony.