Have an attendance code? Sign In to enter it. This live web event has ended. Thank you for attending. Contributors Charles Tucker, P.E., Ph.D. Charles J. Tucker, P.E., Ph.D., is a Professor of Engineering at Freed-Hardeman University. Dr. Tucker has been active in the Masonry Standards Joint Committee which writes the Building Code for Masonry Structures. He has chaired the Infills subcommittee since the 2011 edition. Dr. Tucker also authored Chapter 17 of the Masonry Designers’ Guide: Design of Masonry Infills.