Marycarl Mackey, 90, of Denton, who served in the UNT Student Health and Wellness Center from 1964 to 1995, died Dec. 29. She earned her bachelor’s degree from Northwestern State University and went on to work as a medical technologist. She is survived by her husband of more than 60 years, Jim Mackey, Professor Emeritus of physics. They moved to Denton in 1964, when Jim joined the faculty and Marycarl began work as a lab technician for Robert Croissant and the health center.