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 | M A R C H 2 0 2 3 6 5 IN MEMORIAM IN MEMORIAM Thomas L. Dudley, 75, of Beachwood, Ohio, passed away on January 18. He was born in 1947 in St. Louis, Missouri. Educated as a physicist/astrophysicist at the University of Missouri-St. Louis, he graduated in 1977. His early career was devoted to the oil and gas industry followed by applications engineering work for biopharmaceutical, medical device, and petrochemical markets. Other experience included the aerospace, semiconductor, and power industries. He worked extensively with nickel-base alloys and stainless steels, obtained a patent for predicting weld corrosion resistance, and pioneered alloy 254SMO as the de facto standard for offshore oil and gas valves. Dudley then followed his passion for science as a business unit leader for Senior Flexonics. Coming to Cleveland in the mid-90s, he served in leadership roles for numerous prominent companies. At Swagelok, Dudley spent a decade helping launch its biopharmaceutical initiative and served in a broad consultative role across the company’s expansive primary business portfolio. Moving to Parker Hannifin as a VP of technology, Dudley led the Instrumentation Products Group, where he worked cohesively with many teams and became the driving force behind many cutting-edge technical innovations. After his retirement from Parker, Dudley was invited to become the interim managing director at ASM International in 2016. Working his way through many preexisting challenges, he helped to facilitate the appointment of new ASM leadership. In addition, he worked to expand the technical resources available, including two new state-of-the-art laboratories. Remaining with ASM for seven years, he served in various capacities, most recently as a senior principal and executive liaison. He was a critical driving force in helping ASM launch the Materials Solutions Network business. Dudley lived life as an insatiable learner and encouraged others in discoveries of their own. Mats H. Hillert, FASM, passed away on November 2, 2022, at the age of 97. He was born in Gothenburg, Sweden, in 1924, and graduated from Chalmers University of Technology in 1947 with a degree in chemical engineering. After completing his military service, Hillert joined the Swedish Institute for Metals Research in 1948. He then took postgraduate physics courses at Royal Institute of Technology (KTH). In 1953, he moved to the United States to continue postgraduate studies at the Massachusetts Institute of Technology, where he earned an Sc.D. in 1956. He later returned to Sweden and became a professor in physical metallurgy at KTH in 1961. Hillert made significant contributions to many areas of metals research, including playing a critical role in the development of thermodynamic modeling. In 1973, he was elected a member of the Royal Swedish Academy of Engineering Sciences; in 1979, he was awarded an honorary doctorate by the Chalmers University of Technology; in 1982, he became a member of the Royal Swedish Academy of Sciences; and in 1997, he was named a Foreign Associate of the National Academy of Engineering. Hillert received many other honors and awards including the Acta Materialia Gold Medal (1978), Bakhuis Roozeboom Medal from the Royal Netherlands Academy of Arts and Sciences, (1977), Tawara Gold Medal from The Iron and Steel Institute of Japan (1993), Robert Franklin Mehl Award from the Minerals, Metals & Materials Society (1974), and Honorary Murakami Gold Medal from The Japan Institute of Metals and Materials (1982). He continued to serve as a professor emeritus in physical metallurgy for the remainder of his days. Dudley Hillert
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