Martin Hellman, American cryptographer and academic

Martin Edward Hellman is an American cryptologist and mathematician, best known for his invention of public-key cryptography in cooperation with Whitfield Diffie and Ralph Merkle. Hellman is a longtime contributor to the computer privacy debate, and has applied risk analysis to a potential failure of nuclear deterrence.

October 2 is the 275th day of the year in the Gregorian calendar; 90 days remain until the end of the year.