• 1952 February 02
    (b.) - ?


As a researcher in public key cryptography, and more recently a researcher and speaker on molecular nanotechnology and cryonics. Merkle appears in the science fiction novel The Diamond Age, involving nanotechnology. Merkle devised a scheme for communication over an insecure channel: Merkle's Puzzles. He co-invented the Merkle?Hellman knapsack cryptosystem, Merkle?Damg?rd construction, and invented Merkle trees. While at Xerox PARC, Merkle designed the Khufu and Khafre block ciphers, and the Snefru hash function.