HIGHL IGHTS A D V A N C E D M A T E R I A L S & P R O C E S S E S | S E P T E M B E R 2 0 2 2 5 2 IN MEMORIAM IN MEMORIAM Joe Howard Doyle, FASM, Boulder, Colo., passed away on July 10. He was born in Clay Center, Kansas, on August 25, 1938. He attended Clay Center High School and graduated from Kansas State University, where he majored in chemistry and was in the National Science Foundation undergraduate research program. He was a member of both the Tau Kappa Epsilon and Sigma Xi honorary fraternities. Doyle received his masters and doctorate degrees in metallurgy from Iowa State University. After graduating in 1966, he moved to Boulder and worked for Dow Chemical at Rocky Flats, specializing in microbeam analysis. He was named a Fellow of the Microbeam Analysis Society and was a Rockwell, Dow’s successor, Leonardo da Vinci Engineer of the Year. Doyle later worked at StorageTek and Quantum, retiring in the mid-1990s. Andy Nieto passed away on June 29, at the age of 33, while pursuing one of his passions— scuba diving. Nieto grew up in Hollywood, Fla., and attended the University of Miami where he earned a bachelor’s degree in aerospace engineering. He then attended Florida International University. After graduating with his master’s degree in 2013, Nieto went to UC Davis, where he earned his Ph.D. in materials science and engineering. He then became a professor at the Navy Postgraduate School in Monterey. His recent research interests focused on the development of advanced ceramic and metallic matrix composites, synthesized via additive based techniques, such as cold spraying and 3D printing. Among his many publications, in 2021 Nieto co-authored an article in International Materials Reviews, entitled “Calcia-magnesiaalumina-silicate (CMAS) attack mechanisms and roadmap towards Sandphobic thermal and environmental barrier coatings.” At the time of his death, Nieto was in the process of co-authoring a review of ceramic additive manufacturing, which was planned for the October issue of Advanced Materials & Processes. He also received numerous awards in his short career including the 2017 Nanomaterial and Energy Prize from the Institute of Civil Engineers and four student travel grants fromvarious societies and universities. Doyle Nieto
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