Roland (Ron) Stewart Christensen, passed away on May 20, 2023, aged 90 years, surrounded by family at United Hospital in St. Paul, Minnesota. Resident of Lilydale Senior Living in Lilydale, MN, following decades in Brooklyn Center, MN. Born June 9, 1932 in Duluth, MN to Meier and Charlotte Christensen, the 4th of 5 siblings: Gloria, Mike, Robert, and Jack. Graduated Morgan Park High School 1950. Left a machinist’s apprenticeship at the Diamond Tool and Horseshoe Company to attend the University of Minnesota Duluth, then University of Minnesota Twin Cities, where he joined the Psi Upsilon fraternity, earned his Bachelors of Electrical Engineering in 1955 (and in 1989, his Master of Business Administration). In college served in the ROTC, followed by active duty in the U.S. Air Force from 1956 through 1957, and then the U.S. Air Force Reserve until he was honorably discharged with the rank of Captain. Married April 4, 1959 to Betty Laverne Heikkinen. Briefly lived in various parts of t