A professor emeritus in the Physics Department, Truman Black died Sept. 12 in Arlington. He was 74. Dr. Black retired in 2011 after 45 years on the UT Arlington faculty. A pioneer in solid-state research, he generated millions of research dollars for students and equipment, helped create physics graduate programs, and wrote more than 100 publications. He was known for his liquid nitrogen demonstrations that educated children through the Young People’s University. Black supervised the dissertation and thesis research of five doctoral students and 23 master’s students, and mentored dozens of undergraduates.