I dedicate this volume to Stan Hart and Claude Allègre, my life-long friends and mentors (see photo on the next page).

Stan received me as a post-doc at DTM in 1971 and continued to be my mentor and friend throughout my career. It was Stan’s foresight that made the Cameca IMS 3f, and ion microprobes in general, such a successful tool in geochemistry. Claude gave me a job at IPGP in 1974, where my first encounter with an ion probe happened and my odyssey began. He then patiently watched me struggle with the new technology and supported me throughout my...

You do not currently have access to this article.