Robert J DiTolla passed away on January 30, 2021 in Tucson, Arizona. Born June 20, 1954 in Denver, Colorado to Phille and John DiTolla. Married in June 1984 to Maureen A. Flannery in Tucson, Arizona. Earned a BS from the University of Notre Dame and MS and PhD from the University of Arizona. Worked as an Aerospace Engineer at Raytheon prior to his death. Survived by his wife Maureen and his children Dominic, Monica Wegman (Jason) and three grandchildren Olivia, Jakob, and Luke Wegman. Also survived by his brother Stephen (Gail) of Placentia, California.