Corrections

Correction from June: The UNIVAC 1 was not the world’s first commercial computer

8 September 2010

The UNIVAC 1 was not the world’s first commercial computer, contrary to an item noted in the Calendar [June, p. 4]. Many historians consider the U.K.’s Ferranti Mark 1 to be the first commercial computer.

Cryptography Breakthrough Is 100th Milestone” [p. 8] incorrectly stated that James Ellis was not a mathematician.

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