Jorma Rissanen, Date of Birth, Place of Birth

Jorma Rissanen

Information theorist

Date of Birth: 20-Oct-1932

Place of Birth: Pielisjärvi, Eastern Finland Regional State Administrative Agency, Finland

Profession: engineer, computer scientist, mathematician

Nationality: Finland

Zodiac Sign: Libra

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. 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.