Sorrel presented the 19th annual Stanley P. Mayers Endowed Lecture Sorrel presented the 19th annual Stanley P. Mayers Endowed Lecture April 14th at Penn State. Here is the write up from the college newspaper, The Collegian. http://news.psu.edu/story/404643/2016/04/15/academics/mother-shares-story-students-hopes-preventing-fatal-medical-errors