Carlson timeline
April 28, 2016 at 2:43AM
1938: Founded by Curtis L. Carlson
1962: Carlson acquires its first Radisson hotel
1975: Acquires TGI Fridays restaurants
1979: Carson enters the travel business
1998: Marilyn Carlson Nelson named president and CEO
2013: Diana Nelson named chairwoman
May 2014: Carlson sells TGI Fridays
August 2014: Carlson acquires the 45 percent interest in Carlson Wagonlit Travel owned by JPMorgan Chase
January 2016: Carlson rumored to be shopping its hotel group
April 2016: Carlson announces deal with HNA Tourism Group for its hotel group
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Pioneering surgeon has run afoul of Fairview Health Services, though, which suspended his hospital privileges amid an investigation of his patient care.