Karl Kummerle, IBM research director. Kummerle worked as a researcher at IBM for over 25 years. He was Director of IBM Research-Zurich, Switzerland, f

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Karl Kummerle, IBM research director. Kummerle worked as a researcher at IBM for over 25 years. He was Director of IBM Research-Zurich, Switzerland, from 1989 to his retirement in 1999. Kummerle began his career in IBM Research in 1972, working in the field of communications systems. His contributions include work in the 1980s on the development of token ring local area network (LAN) technology. Other technologies developed here include secure banking communications protocols, lasers, and data storage technologies.

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