Bertrand du Castel

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Bertrand du Castel
Bertrand du Castel Beijing April 2002.jpg
Bertrand du Castel in Beijing in April 2002 during a visit to Peking and Tsinghua universities.
Born (1952-02-08) February 8, 1952 (age 68)
NationalityFlag of the United States.svg Flag of France.svg
Alma materUniversity of Paris
Ecole Polytechnique
Known forComputer Theology
Java Card
AwardsVisionary Award (2005)
Scientific career
FieldsComputer science

Bertrand du Castel is a French-American author and scientist who won in 2005 the Visionary Award [1] from Card Technology Magazine for pioneering the Java Card, which by 2007 had sold more than 3.5 billion units worldwide.[2] In 2008, du Castel and Timothy M. Jurgensen published Computer Theology: Intelligent Design of the World Wide Web, a theology of the World Wide Web based on a comparative study of human societies and computer networks.


Du Castel was born in 1952 in France a descendant of Louis-Eugène Cavaignac, who governed France as Prime Minister before being defeated by Napoléon III, and Paul Dubois, whose Joan of Arc sculpture stands in Washington D.C. A graduate of Ecole Polytechnique with a 1977 PhD from the University of Paris in Theoretical Computer Science, he was a Post-Doctoral Fellow at the IBM France Research Center before hiring with Schlumberger in France in 1978. He emigrated to the United States in 1983 where he has lived in Austin, Texas since, becoming an American citizen in 1994.

In 2000, du Castel was invited by the Association for the Advancement of Artificial Intelligence to make a presentation of artificial intelligence advances in the industry that were original to academia. Consequently, du Castel was invited to present at the University of Maryland, Baltimore County (2001),[3] Massachusetts Institute of Technology (2001),[4] University of Texas at Austin (2002),[5] Peking University (2002),[6] Tsinghua University (2002),[7] Purdue University (2002),[8] Grenoble Institute of Technology (2003),[9] University of Paris (2004)[10] and University of Hamburg (2004),[11] which increasingly constituted the matter of a book on the relationship between religion and digital networks.

In 2005[12] du Castel joined with Timothy M. Jurgensen, author of two books on computer security,[13][14] to write Computer Theology: Intelligent Design of the World Wide Web, which uses theological principles to study the role of religion in computer networks, and reciprocally studies religion in the light of well-established computer concepts such as trust. The book eventually proposed in 2008 a reference for the field of Computer Theology, following the road traced earlier by Donald Knuth[15][16] and Anne Foerst,[17] aiming at a better understanding of computer evolution as well as religion.



  • du Castel, Bertrand; Jurgensen, Timothy M. (2008). Computer Theology: Intelligent Design of the World Wide Web. Austin, Texas: Midori Press. ISBN 978-0-9801821-1-8.

Main publications in neuroscience, computer security, logic, artificial intelligence, software engineering, and linguistics:


  • US patent 6,591,229, Neville Pattinson, Tibor Somogyi, Jean-Marc Pietrzyk and Bertrand du Castel, "Metrology Device with Java Programmable Smart Card", issued 2003-07-08 
  • US patent 6,157,966, Michael A. Montgomery, Scott B. Guthery and Bertrand du Castel, "System and Method for an ISO7816 Compliant Smart Card to Become Master over a Terminal", issued 2000-12-05 
  • US patent 7,127,529, Michael A. Montgomery, Scott B. Guthery and Bertrand du Castel, "Smart Card System Having Asynchroneous Communication With the Smart Card Operating System either as Master or Slave", issued 2006-10-24 
  • US patent 7,926,096, Asad Ali, Bertrand du Castel, Apostol Vassilev, Sylvain Prevost and Kapil Sachdeva, "Enforcing Time-based Transaction Policies on Devices Lacking Independent Clocks", issued 2011-4-12 
  • US patent 8,266,451, Robert Leydier and Bertrand du Castel, "Voice Activated Smart Card", issued 2012-9-11 



  1. ^ a b Dan Balaban (May 2005). "Keeping An Eye On The Future". Card Technology. SourceMedia. 10 (5): 30–38.
  2. ^ "Sun Microsystems and Java Card Forum Announce Next Generation of Industry Leading Java Card Technology" (Press release). Business Wire. April 22, 2008.
  3. ^ du Castel, Bertrand (February 9, 2001). "Death of the Washing Machine". Invited, AetherSystems Distinguished Lecture Series in Mobile and Wireless Systems. Baltimore, MD: University of Maryland, Baltimore County.
  4. ^ du Castel, Bertrand (February 2001). "Death of the Washing Machine". Invited, Engineering and Environmental Mechanics Seminar Series. Cambridge, MA: Massachusetts Institute of Technology.
  5. ^ du Castel, Bertrand (February 2002). "A Theology of Smart Cards". Invited, Technology Leaders Lecture Series. Austin, Texas: University of Texas at Austin.
  6. ^ du Castel, Bertrand (April 2002). "Darwin's 600 Million Smart Cards". Invited. Beijing, China: Peking University.
  7. ^ du Castel, Bertrand (April 2002). "Darwin's 600 Million Smart Cards". Invited. Beijing, China: Tsinghua University.
  8. ^ du Castel, Bertrand (August 2002). "A Theology of Smart Cards". Invited, ECE Graduate Seminar Series. West Lafayette, Indiana: Purdue University.
  9. ^ du Castel, Bertrand (May 2003). "A Theology of Smart Cards". Invited. Grenoble,France: Grenoble Institute of Technology.
  10. ^ du Castel, Bertrand (October 2004). "Smart Cards are Pots". Invited, DNAC. Paris, France: University of Paris.
  11. ^ du Castel, Bertrand (November 2004). "Intellectual Foundations of Smart Card Services (Smart Cards in Love)". Invited, University of Hamburg Oberseminar. Hamburg, Germany: University of Hamburg.
  12. ^ Acknowledgments of Computer Theology: Intelligent Design of the World Wide Web
  13. ^ Guthery, Scott, B.; Jurgensen, Timothy M. (1998). Smart Card Developer's Kit. Upper Saddle River, New Jersey: Prentice Hall. ISBN 978-0-13-093730-8.
  14. ^ Jurgensen, Timothy M.; Guthery, Scott B. (2002). Smart Cards: the Developer's Toolkit. Indianapolis, Indiana: Macmillan Technical Publishing. ISBN 1-57870-027-2.
  15. ^ Knuth, Donald E. (1990). 3:16 Bible Texts Illuminated. Madison, Wisconsin: A-R Editions. ISBN 0-89579-252-4.
  16. ^ Knuth, Donald E. (2001). Things a Computer Scientist Rarely Talks About. Stanford, California: CSLI Publications. ISBN 1-57586-326-X.
  17. ^ Foerst, Anne (2004). God in the Machine: What Robots Teach Us About Humanity and God. New York, New York: Dutton. ISBN 0-525-94766-3.
  18. ^ "WLAN Smart Card Consortium Leads the Industry to Replace Weak Username/Password With Proven SIM Based Technology for Hot Spots" (Press release). Business Wire. March 31, 2004.