Tool Manufacturer, Chicago, Illinois · Evaluated impact noise from several tools operated under different conditions. Determined the conditions under which hearing protection might be a concern. Recommended a hearing protection policy to accompany tools.
Attorney General of the State of New Jersey · Evaluated a claim for hearing loss produced by a ceremonial cannon. Showed that the pattern of hearing loss was consistent with that suffered by tunnel and caisson workers and former submariners. Found that the plaintiff served in the submarine service during WW II and was reassigned because of ear damage.