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Published online by Cambridge University Press: 25 May 2016
To paint with broad brush strokes, the spectrum of Galactic formation models has as extrema what may be termed the “fast and smooth” and the “slow and lumpy” scenarios. Appropriate or not, to ascribe as champions of these views the works of, respectively, Eggen et al. (1962, ELS hereafter) and Searle & Zinn (1978, SZ hereafter) has become de rigueur—though it is prudent to bear in mind the soft focus of historical perspective, and the maxim that “no one remembers what one has said, only what others say one has said” (on this point, see Sandage 1990 and Majewski 1993, section 1).