I dedicate this lecture to Bob Kauffman, who taught me about PSE, and with whom, according to Bob, we came up with the term RSE, one Saturday morning in the 1990’s. I am deeply grateful to Suman Surendranath for nominating me for the award, and for the hard work that he and Bob Kauffman undertook in preparing my nomination for the award. I am truly humbled that AMSA selected me to be the recipi...