Historical Perspectives of Lactogenic Hormone (Prolactin): A Summary of My Research at the University of Missouri.- Discussion Barnawell, Turner.- The Chemistry of Prolactin.- Discussion Lewis, Mills, Parsons, Frantz, Jacobs, Meites, Sage.- Secretion and Crinophagy in Prolactin Cells.- Discussion Winnacker, Farquhar, Jacobs, Barnawell, Meites, Dellmann, Parsons.- The Assay and Regulation of Prolactin in Humans.- Discussion Barnawell, Frantz, Jacobs, Meites, Gillespie, Parsons.- Evaluation of Research on Control of Prolactin Secretion.- Discussion Winnacker, Meites, Jacobs, Derby.- Prolactin, The Liporegulatory Hormone.- Discussion Fleming, Meier, McDowell, Sage.- The Role of Prolactin in Mammogenesis and Lactogenesis.- Discussion Barnawell, Jacobs, Klein, Sage.- Additional Presentations.- Inhibition of the Renal Response to Intravenous Prolactin by ADH.- The Effect of Adrenalectomy on the Renal Response to Intravenous Prolactin.- Addendum: Antidiuretic Hormone in Ovine Prolactin (NIH SP10).- The Effect of Ergocornine on Water and Sodium Metabolism in Female Rats.- Discussion Mills, Bond, Jacobs, Parsons, Pasley, Fleming, Koike.