Robert, 88, passed away on December 18, 2019 in Sierra Vista, Arizona. He was born in Gary, Indiana. Several years later, his family moved to Chicago, Illinois. He graduated with a Bachelor of Science in Chemistry from Roosevelt University in Chicago, Illinois. During the war, he served two years in the United States Army as an Instructor for the Ordinance School at the Aberdeen Proving Ground, MD.
Robert had a wonderful dry, sense of humor and a love for classical music.
Robert’s entire professional career was as a Chemist, starting in Chicago, Illinois, then to San Francisco, California where he worked for various companies such as Mr. Bubble and Breck Shampoo in quality control and research labs. Robert moved to Benson, Arizona in 1964 and enjoyed an amazing career with Apache Nitrogen Products (formerly Apache Powder Company) as the Chief Chemist. He was promoted to Operations Superintendent, where he was in charge of all production areas and maintenance as well as research and quality control. He later was heavily involved with environmental issues. He retired from Apache Nitrogen Products in 1992 after 28 years of service.
In his later years, Robert suffered from Neuropathy, Arthritis, Macular Degeneration and Glaucoma. Even then, he worked hard to keep an upbeat attitude and to be a positive influence to others. He will be greatly missed.
He is survived by his daughter, Deirdre and her husband, Mike LaBrecque, grandson Garret of Sierra Vista, Arizona, also daughter, Ursula Rigg, of McMinnville, Oregon. He was preceded in death by his son, Frank W. Sittig.
Graveside services will be held on Friday, February 21st, 2020 at 11:00 AM at the Cochise Gardens of Rest, Benson, Arizona.
Arrangements have been entrusted to Richardson’s Mortuary, Benson, AZ.
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