Mr. Rosen received his B.A. from Brooklyn College, and his M.S. and Ph.D. in chemistry from Indiana University. He was a member of the Brooklyn College Alumni Association, Tucson chapter. He worked at Diamond Shamrock in Painesville, Ohio, in chemical research management, then at The Standard Oil Company of Ohio (subsequently BP America). Mr. Rosen held 50 U.S. patents and many foreign patents, and was a U.S. representative to the Atomic Energy Conference in Warsaw, Poland, in 1959. He was an emeritus member of the American Chemical Society. Mr. Rosen was a veteran of World War II; he served in the counterintelligence corps of the 14th Armored Division 3rd Army in the European theatre.
Mr. Rosen was preceded in death by his wife of 52 years, Alma, and his second wife, Naomi.
Survivors include his children, Nancy (Bob) and Eric; his partner, Dellora (Dee); and two grandsons.
Services were held at the Fountains, with Rabbi Sandra Wortzel officiating. Arrangements were made by Desert Sunset Funeral Home.
Memorial contributions may be made to the American Lung Association.