Priced at more than 8,000 dollars it was encased in magnesium and considered to be rugged with a 340kb memory, the Telegraph reports.
The device released in 1982, was used by the U.S. military and even made its way into outer space aboard the Space Shuttle Discovery in 1985.
Muggridge was also the director of the Smithsonian's Cooper-Hewitt, National Design Museum in New York since 2010.
The museum said that Moggridge had died on Saturday.
Source: ANI
