Humble treasures who shaped internet security, long before most users knew their names.

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1970sUnited States

Whitfield Diffie

Co-created the public-key cryptography breakthrough that made internet-scale secure exchange possible.

  • Co-authored the 1976 public-key cryptography paper with Martin Hellman.
  • Changed how the internet handles key exchange and digital trust.
  • Helped shift modern cryptography into public research and engineering.
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