Purdue Class Writes Letters To Seniors A Class at Purdue University led by Keith Molter is writing letters to residents at St. Mary Healthcare Center. Their conversations are helping to bridge the gap between Boomers and Gen Z. Posted: Feb 6, 2021 7:28 PM Updated: Feb 10, 2021 7:08 PM Posted By: Peter Hulett LAFAYETTE, Ind. (WLFI) - A class at Purdue University is writing letters to residents at the St. Mary Healthcare Center in Lafayette. For the last three semesters they've been writing back and forth as pen pals and helping to bridge the generational gap. In previous classes, students would visit the residents. But COVID-19 has shut the doors on visitors in senior centers.