Ceramic Engineering and Science Proceedings Volume 35, Issue 1, 74th Conference on Glass Problems S.K. Sundaram, Editor In continuing the tradition that dates back to 1934, this volume is a collection of 25 papers presented at the 74th Glass Problems Conference, October 14–17, 2013 in Columbus, Ohio. These papers are essential reading for all who need to stay abreast of the latest research in the glass manufacturing field. Content is grouped into the below five sections: Batching and FormingGlass MeltingModeling, Sensing and ControlRefractories IRefractories II