Funded by The American Institute of Mining, Metallurgical, and Petroleum Engineers (AIME), this award was established to honor Dr. Champion H. Mathewson, President of AIME in 1943, and is made for a paper, or series of closely related papers with at least one common author that represents a notable contribution to metallurgical or materials science. The award-winning paper is, “High Temperature B2 Precipitation in Ru-Containing Refractory Multi-principal Element Alloys,” Metallurgical and Materials Transactions A, June 2024 coauthored by Carolina Frey, Haojun You, Sebastian Kube, Glenn H. Balbus, Kaitlyn Mullin, Scott Oppenheimer, Collin S. Holgate & Tresa M. Pollock.