Complex sentence: Bonwit agreed to let Odlum's wife Hortense serve as a consultant to the company in 1932, and two years later--dogged by poor health and saddened by the death of his wife--he sold the firm to Odlum's Atlas Corporation.
Split into simpler sentences: Bonwit agreed to let Odlum's wife Hortense serve as a consultant to the company in 1932. Two years later, dogged by poor health and saddened by the death of his wife, Bonwit sold the firm to Odlum's Atlas Corporation.