For the past 15 years, Paul Koller's voice was a regular feature at Hill-Murray High School hockey games.
Koller, or "Mr. Thursday" as he was known, sang the national anthem at every home game and was otherwise a fixture at Maplewood's Aldrich Arena, home of his beloved Pioneers, whose successes and disappointments he followed for the better part of half a century.
But before that, he spent a career with 3M, lending a hand in the daring mission to repair the Skylab space station nearly five decades ago.
Koller died Nov. 15 at his assisted-living apartment in North St. Paul, surrounded by his children and their families. He was 94.
After college, Koller moved to Minnesota for a job with 3M, in its industrial tape lab. He stayed for the next 38 years. During that time, he worked on various special projects, including a small but valuable role in the 1973 Skylab mission to repair a heat shield that had been damaged during liftoff.
"If it wasn't repaired, the Skylab module was going to overheat," said his son, James Koller.
Running short on time and solutions, NASA put out a call for industrial tape specialists and other experts to devise ways to repair the solar shield, which protected the $2.5 billion orbiting laboratory from meteoroids and high temperatures. At 3M, Koller's name was at the top of the list.
"When the chips were down, and they were asking people at 3M, 'Who do we send?' 'Who do we talk to?' " James Koller recalled. "And 3M said, 'Well the person you need to talk to is Paul Koller.' "
Koller was attending a son's college graduation when he heard his name paged over the loudspeaker. It was all he could do to grab a couple boxes of experimental gold-backed tape — the kind used to repair airplane wings and able to withstand extreme temperatures and heavy winds — before catching a flight to Chicago, where a police escort whisked him to another plane bound for St. Louis.