Jorma Rissanen

Jorma J. Rissanen (born 20 October 1932) is an information theorist, known for inventing the minimum description length principle and practical approaches to arithmetic coding for lossless data compression. His work inspired the development of the theory of stochastic chains with memory of variable length.

Jorma J. Rissanen
Born20 October 1932 (1932-10-20) (age 87)
Pielisjärvi (now Lieksa), Finland
Alma materHelsinki University of Technology
Known forarithmetic coding and the minimum description length principle
AwardsIEEE Richard W. Hamming Medal (1993)
Claude E. Shannon Award (2009)
Scientific career
FieldsInformation Theory
InstitutionsIBM
Tampere University of Technology

An IBM researcher since 1960, Rissanen received his Ph.D. from the Helsinki University of Technology in 1965. Retired from IBM, he is now professor emeritus of Tampere University of Technology and a fellow of Helsinki Institute for Information Technology.

Awards and recognitions

He was awarded the IEEE Richard W. Hamming Medal in 1993,[1] an IEEE Golden Jubilee Award for Technological Innovation from the IEEE Information Theory Society in 1998,[2] the Kolmogorov Medal of the University of London in 2006,[3] and the IEEE Claude E. Shannon Award in 2009.[4] A Festschrift collection was published by the Tampere University of Technology in honor of his 75th birthday.[5]

References
  1. "IEEE Richard W. Hamming Medal Recipients" (PDF). IEEE. Retrieved May 29, 2011.
  2. "Golden Jubilee Awards for Technological Innovation". IEEE Information Theory Society. Retrieved July 14, 2011.
  3. Kolmogorov Medal web site, University of London.
  4. "Claude E. Shannon Award Recipients". IEEE Information Theory Society. Retrieved July 1, 2015.
  5. Peter Grünwald, Petri Myllymäki, Ioan Tabus, Marcelo Weinberger, and Bin Yu (eds.), Festschrift in Honor of Jorma Rissanen on the Occasion of his 75th Birthday, Tampere University of Technology, 2008.


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