This document summarizes the evolution of library ethnography studies from their beginnings at the University of Rochester. It describes early studies that examined faculty work practices, undergraduate research and writing, and graduate student dissertations. Key findings included identifying nonlinear research and writing processes, the importance of human networks and physical library spaces for students. The document outlines methods like retrospective interviews and design workshops. It concludes that these studies provided new understandings about lowering barriers to entry, blending academic and social needs, and embracing experimentation in libraries.