Mentzer, Richard 12/26/1946 - 6/9/2018 Portage, MI On June 9th, 2018, Richard William "Boomer" Mentzer lost his 8-month battle with Glioblastoma. He passed away at Glen Arbor Hospice House in Battle Creek, MI. Boomer was born December 26, 1946... View Obituary & Service Information
