... teleological, institutional, ecological, and cultural. To further comprehend the four lanes and associated theoretical conversations, including their historical roots, we revisited a number of foundational books, book chapters, and articles about professions (e.g., Abbott, 1988;Babb, 2001;Becker et al., 1961;Bledstein, 1976;Brint, 1994;Carr-Saunders and Wilson, 1933;DiMaggio, 1988DiMaggio, , 1991DiMaggio, , 1991Fourcade, 2009;Freidson, 1986Freidson, , 2001Freidson, , 1970bHaug, 1972;Hughes, 1958;Johnson, 1972;Kornhauser, 1962;Larson, 1977;Millerson, 1964;Montagna, 1968;Parsons, 1939;Starr, 1982;Thornton et al., 2012;Thornton and Ocasio, 2008;Weber, 1978;Wilensky, 1964). As an outcome of this process, we wrote sections describing each paradigmatic lane and its associated theoretical conversations. ...