Stan Grzadzielewski of Mosinee started playing hockey at age 12 in the early 1940s. After World War II when hockey was revived in central Wisconsin, Grzadzielweski played for the Mosinee Papermakers until retirement in 1966. During 20 years of active play, he was often selected as an all star, MVP and high scorer.
 
Grzadzielewski, an original member of the WAHA board of Directors formed in 1947, served on the Board for over 30 years and edited the first by-laws booklet. He was active in all aspects of Mosinee and Wisconsin hockey and officiated over for ten years after his playing days.