“…12 Sand, 1920, p. 179. Sengoopta, 1998, 2006andStoff, 1999, 2004, provide excellent summaries of SteinachÕs work and its significance. See Sengoopta (Chapter 2) for SteinachÕs gonadocentrism and for a detailed description of the experimental hermaphrodites; see also Fausto-Sterling, 2000;Hall, 1973-74, Logan, 2007Oudshoorn, 1993;Sengoopta, 2000;and Steinach, 1894and Steinach, , 1910and Steinach, , 1912and Steinach, , 1913and Steinach, , 1916and Steinach, , and 1920 Interstitial Cells as the Puberty Gland Within endocrinology such functional demonstrations were powerful; but because the responsible chemicals remained largely unknown, there were many controversies about the underlying physiology.…”