Stephen Wiesner

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Stephen J. Wiesner (born 1942) is a research physicist currently living in Israel. As a graduate student at Columbia University in New York in the late 1960s and early 1970s, he discovered several of the most important ideas in quantum information theory, including quantum money (which led to quantum key distribution), quantum multiplexing [1] (the earliest example of oblivious transfer) and superdense coding[2] (the first and most basic example of entanglement-assisted communication). Although this work remained unpublished for over a decade, it circulated widely enough in manuscript form to stimulate the emergence of quantum information science in the 1980s and 1990s. Wiesner is the son of Jerome Wiesner and Laya Wiesner. He received his undergraduate degree from Brandeis University.

As of 2013 Wiesner works (by choice) as a construction laborer in Jerusalem[3].


  1. ^ S.J. Wiesner, "Conjugate Coding", SIGACT News 15:1, pp. 78–88, 1983.
  2. ^ C. Bennett and S.J. Wiesner. Communication via one- and two-particle operators on Einstein-Podolsky-Rosen states. Phys. Rev. Lett., 69:2881, 1992
  3. ^ Scott, Aaronson (2013). Quantum Computing Since Democritus. Cambridge University Press. p. 127. ISBN 978-0521199568. Retrieved 8 August 2018.


  • The Code Book, Simon Singh, (Doubleday, 1999), pp. 331–338.
  • Jerry Wiesner: scientist, statesman, humanist : memories and memoirs, Jerome Bert Wiesner and Walter A. Rosenblith, (MIT Press, 2003), p. 591.