that I began to grasp the depth and breadth of what I had experienced over those past fifty-four years. I had followed my instincts, my curiosity, my passion for science and medicine. I took risks, and I was not intimidated by the challenges, discouraged by the failures, or self-congratulatory about the triumphs. I had decided back then to embark on a career in infectious diseases and immunology with little idea of what that would ultimately mean. I expected a fulfilling but quiet and predictable life conducting research and treating patients. Then came
