Frank Lloyd Wright and Martha Stewart named among most impactful American designers

Cooper Hewitt, Smithsonian Design Museum in New York has recognised 15 American architects, designers and companies that have "left a lasting mark on the field" to mark the 250th anniversary of the United States.

The 15 Gala Honorees range from historic architects Frank Lloyd Wright and Louis Sullivan to celebrity Martha Stewart and technology company Adobe.

"Remarkable individuals and institutions"

"American design has been shaped by remarkable individuals and institutions...