Bert G. Osterberg worked almost thirty years for the Detroit (Michigan) Water Department. He is a certified lay minister and works in historical presentation in Southern California...ver maisBert G. Osterberg worked almost thirty years for the Detroit (Michigan) Water Department. He is a certified lay minister and works in historical presentation in Southern California. Osterberg has written several books on a variety of subjects. He lives in California with his dog, Co-Co.ver menos