Seymour Papert is 83 years old (birthdate: March 1, 1928).
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William Seymour Tyler was born on September 2, 1810 and died on November 19, 1897. William Seymour Tyler would have been 87 years old at the time of death or 201 years old today.
Seymour Cray was born on September 28, 1925 and died on October 5, 1996. Seymour Cray would have been 71 years old at the time of death or 86 years old today.