Wesleyan University’s alumni have made worldly contributions near and far. Whether government officials, physicians, attorneys, schoolteachers, musicians — any career imaginable — the former students who crossed Denison Terrace have made an impact somewhere, somehow. From May 23 to 26, many of them returned to Wesleyan — a place they described as having a transformative effect on their lives — for Reunion. This year, classes of the ’4s and ’9s flocked to Middletown to meet friends old and new. “My four years at Wesleyan were truly a pivotal time in my life. I feel like it really helped expand…