PHILADELPHIA — In December 1999, Guinness World Records listed the 10 greatest inventions of the 20th century.
The computer wasn't included. But the food-storage containers made by Tupperware were.
The company is famous for durable products lauded as "sacrosanct ... icons of modernism" that are included in the collections of the Museum of Modern Art and the Smithsonian Institution. An estimated 90% of U.S. homes have at least one "super storer," "thatsa mega-mixing bowl," or other classic pieces of Tupperware.