This document discusses the role of serendipity in research careers. It describes encountering a linguistic sage at Harvard Medical School, witnessing the serendipitous birth of penicillin, and meeting someone who "manages serendipity" for the U.S. Navy. The document argues that discovery is a messy blend of inspiration, perspiration, error, and happy chance, rather than being strictly defined. It presents serendipity as an important factor in research careers.