Carolyn Meinel

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Carolyn P. Meinel (CPM) (born 1946) was notable in the hacking scene during the 1990s. In 1983 Carolyn received an M.S. in industrial engineering from the University of Arizona.[1] Her father is Aden Meinel and mother is Marjorie Meinel. Meinel married her first husband, Howard Keith Henson, in 1967[1] and divorced in 1981.[2] Meinel has four daughters, one of whom is Valerie Aurora. In August 1975, Meinel co-founded (with her then-husband, Keith Henson) the L5 Society, since merged into the National Space Society, and was its president for several years.

In 1996 Meinel was among the targets of a high-profile email bomber known as "Unamailer" or "johnny xchaotic".[3]

Some security experts, such as Brian Martin of Attrition, have criticized her writings, claiming that they are inaccurate and generally misrepresent hacking.[4][5]



  • Uberhacker II: More Ways to Break into a Computer. Loompanics. 2003. ISBN 1-55950-239-8. 
  • The Happy Hacker 4th Edition. Lexington & Concord, distributed by American Eagle Publications. 2002. ISBN 0-929408-29-2. 


  • "For Love of a Gun," the history, technologies of electromagnetic guns, IEEE Spectrum, July, 2007, pp. 40 46.
  • "How Hackers Break in and How they Are Caught," Scientific American, Oct. 1998,
  • "How the West Was Won… or, The L-5 Society Defeated the Moon Treaty," Spacefaring Gazette, Vol. 10, No. 3, June/July 1994, pp. 1, 8.
  • (Many other articles)


  1. ^ a b Meinel, Carolyn (February 1997). "verbosity -- Carolyn Meinel: Hack 101". Verbosity (Transcript). Interview with Jess Morrissette. Retrieved January 6, 2011. 
  2. ^
  3. ^ "Unamailer explains bombings". CNET. 1996-12-30. Retrieved 2010-01-16. 
  4. ^ Happy Hacker Book (reviews)
  5. ^ Carolyn Meinel: The Teacher

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