Chatham – Richard “Dick” William Koski, Sr., 77, of Chatham died Saturday, March 4, 2023, at his home under the loving care of his family and North Woods Home Hospice. Visitation and funeral were on Wednesday, March 8, 2023, at Bowerman Funeral Home. Interment will be at Pine Grove Cemetery in the spring. His obituary and online guestbook may be viewed and signed at bowermanfuneralhome.net.