Obituary: Keith Koegler, 86, of Ludington. Keith Arnold Koegler, 86, of Ludington passed away peacefully at his home with his family by his side on Wednesday, August 4, 2021. He was born March 29, 1935 in Ludington to Arnold and Elaine (Jafke) Koegler. He graduated from Ludington High School in 1953. Shortly after high school Keith enlisted in the U.S.…