Martin Schwartz, 72, Regents Professor of chemistry, died Dec. 26 in Lewisville. He had taught at UNT since 1974. Known for his expertise in molecular dynamics and thermochemical properties of molecules, he published more than 125 refereed scientific papers, and his research was supported by the Air Force Research Laboratory and the Robert A. Welch Foundation. He was a mentor for many undergraduate and TAMS students and previously taught at the University of Utah and the University of Wisconsin. He earned a bachelor’s degree from Case-Western Reserve University, a Ph.D. from the University of Wisconsin and a postdoctoral fellowship at the University of Utah. Memorial gifts can be made to the Martin Schwartz Chemistry Scholarship fund in the UNT College of Science. Memorial services will take place at 1 p.m. Jan. 13 at DeBerry Funeral Directors in Denton.