John Koopman
February 4, 1932 - December 22, 2020
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The family expects to hold a memorial celebration in Appleton in 2021, once the pandemic permits. If you wish to make a gift in John’s memory, please make to the Conservatory of Music, Lawrence University, in Appleton

John Koopman, 88, of Appleton, succumbed to long-term heart and lung issues on December 22, 2020, with loving family by his side. He was the son of the late Ernest and Idella (Walton) Koopman, and was born and raised in Sibley, Iowa.   His life was shaped by an intense and enduring interest he developed in…

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