Samuel N. Alexander

Samuel N. Alexander in 1964, speaking at the SEAC computer retirement ceremony.
Samuel N. Alexander with SEAC
Title page of the First Draft of a Report on the EDVAC with Alexander's signature.

Samuel Nathan Alexander (February 22, 1910 in Wharton, Texas – December 9, 1967 in Chevy Chase, Maryland) was an American computer pioneer who developed SEAC, one of the earliest computers.