• Feb 2, 1952
    (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–Damgård construction, and invented Merkle trees. While at Xerox PARC, Merkle designed the Khufu and Khafre block ciphers, and the Snefru hash function.