You REALLY need to hook up with someone with a CNC Router then. MDF, or HDF board is pretty cheap material. Computer graphic design is pretty easy work, from my experience, so you have all sort of options relating from everything between really basic text only, to some VERY nice pictures engraved or V-Carved in to the pattern. Lots of free-ware out there if you don't want to burn money, and a few really powerful commercial softwares that allow you a free month of use. Search for Vector Graphics Programs. Vector Graphics will scale to what size you need, and they will output file formats that are dead easy to import in to many CAD/CAM programs to use for engraving.12 different 100 word plaques. Each to have name, DoB, DoD (only dead people considered) and brief description of achievements.
Yes, lots of words and I fear that I'll have to write or at least edit them!