Abstract

In this personal note, I wish to recall my first encounters with Jean Gayon in the context of a conference of the International Society for the History, Philosophy, and Social Studies of BiologyInternational Society for the History, Philosophy, and Social Studies of Biology, an International Colloquium in honor of Marjorie GreneGrene, Marjorie and our collaborations at the Max Planck Institute for the History of ScienceMax Planck Institute for the History of Science in Berlin in the context of the Cultural History of Heredity project.