See the book on Strong Cobb and Broadway Mills here at REALNEO - I don't know who takes credit for the "memorial."  The medallions from original Broadway Mill have been preserved below:

Maybe LANDstudio can plan another memorial here at the location of Enersys - a worldwide manufacturing company that originated in Cleveland - now dead:

http://www.cleveland.com/business/index.ssf/2016/01/enersys_closing_its_110-year-old_cleveland_plant_on_may_31_cutting_95_jobs.html

CLEVELAND, Ohio -- EnerSys, the Reading, Pennsylvania-based manufacturer of stored energy solutions for industrial applications, such as batteries and power equipment, has announced plans to permanently close its 110-year-old facility at 12690 Elmwood Ave. by May 31, and will cut all 95 jobs there starting Feb. 19.