Family, friends, colleagues, and the NIH scientific community celebrated the life of the NIA’s founding director May 8 at the Dr. Robert N. Butler Memorial Lecture. The lecture, part of the prestigious NIH Director’s Wednesday Afternoon Lecture Series, featured Dr. Ronald C. Petersen, director of the Mayo Clinic Study of Aging and the Mayo Alzheimer’s Research Center, as well as remarks about Dr. Butler by current NIA Director Dr. Richard Hodes. Lecture host NIH Director Dr.