Roger was born in Palo Alto, CA to Keat and Pauline Killingsworth on August 19, 1942. Roger grew up in Santa Ana, CA and resided in Yorba Linda, CA for most of his adult life. A graduate of Tustin High in 1961, Roger developed a passion for automobiles at a young age and bought into the family auto repair business in the late 1970’s, Bee Line Service in Fullerton, CA, which he ran for 30 years. Roger passed away peacefully Sunday, December 17, 2017 at home with loved ones. Roger is survived by his son Kirt Killingsworth of Orange, CA. He leaves behind a huge empty space that was filled with love, fun, and adventure. You may contact family if you are interested in memorial arrangements.