Bonnie J. Prochaska, age 85, of Janesville, died Thursday, Jan. 4, 2024 at her home. She was born in Prairie du Chien on Sept. 29, 1938, the daughter of the late Fritz and Tena (Bunders) Messerli. Bonnie married her favorite dancing partner and soulmate, Hubert “Hugh” Prochaska on Oct. 12, 1956. She and Hugh shared the love of dancing and country music. Hugh preceded her in death on April 8, 2021. Bonnie was employed at Parker Pen for over 36 years where she met many wonderful friends. In retirement, they continued to meet for lunch and took several bus trips together.