DONALD M. CHADWICK , age 90.  Beloved brother of Dr. Robert (Jan), Allene (deceased), Michael (Karen), and Tom (Geisla) (both deceased).   US Army Veteran of the Korean Conflict.  Don gave his life to helping others get sober.  Family suggests contributions to The Ed Keating Center ,   PO Box 770108, Lakewood, 44107.  Friends may call at LATEK & RYBICKI, A GOLDEN RULE FUNERAL HOME, 4640 TURNEY RD. for VISITING HOURS: SATURDAY 4-7 PM.