Thanks very much, Joaquin, for that generous introduction and thanks to the Society for selecting me for the Penrose medal. I am genuinely and deeply grateful. No one earns an award like this by themselves, of course, but my debt to mentors, colleagues, and students is far greater than most.

My mentoring started before high school when I went along as my father explored for zinc, barite, kaolin, and lithium. As a student at North Carolina and then Stanford, I learned from Virgil Mann, Charles Park, and Dick Jahns, and during my teaching at Michigan and Toronto, my understanding of...

First Page Preview

First page PDF preview
You do not currently have access to this article.