Charles J. Mueller. Age 90 of Chicago. Proud US Marine Corps Veteran. Beloved husband of the late Leona T., nee Adams. Loving father of Mark (Carm), Carol (Scott) Schultz, Charles W. (Denise) and Glenn (Holly). Devoted grandpa of Amy, Allison, Lacey, Andrew, Jennifer, Krista and Madison. Visitation Wed., April 28, 4-8 p.m., at Ryan-Parke Funeral Home, 120 S. Northwest Hwy., Park Ridge. Please pay your respects and exit as a 50 person limit in funeral home will be observed. Funeral Mass Thursday, 10 a.m., at St. Juliana Church. Interment Maryhill Cemetery. In lieu of flowers, memorials to Alzheimer's Assoc., www.alz.org, are appreciated.