The selection of prolactin as the subject of the Midwest Con- ference on Endocrinology was not only dictated by the recent ad- vances in prolactin research but also by the long tradition in that particular area of Endocrinology in the laboratory of C.W. Turner at the University of Missouri. Therefore, it seems only appropri- ate that these proceedings of the Tenth Midwest Conference on En- docrinology are dedicated to the memory of this scientist,...