Like most large computer programs developed in an academic setting, the current, engineering workstation_-based Interactive Graphics Hull Design Program has a long and involved history with many contributors. M-HULL is based upon the mathematical model introduced in the U. S. Navy's HULGEN program. M-HULL is a descendent of the ma•nframe-_based Computer-Aided Hull Definition Program (CAHDP) developed here at Michigan. I will try to trace M-HULL's evolution and credit its principal authors.http://deepblue.lib.umich.edu/bitstream/2027.42/91673/1/Publication_No_315.pdf