BLACKSBURG, Virginia, Oct. 13 -- Virginia Tech issued the following news: Bernard Jortner, a Virginia Tech professor emeritus who was an internationally known researcher in neurotoxicology and founding president of the Virginia-Maryland College of Veterinary Medicine faculty association, died on Sept. 28 at the age of 90. Jortner was a professor of biomedical sciences and pathobiology in the veterinary college before being conferred emeritus status upon his retirement in 2010. He had been associated with the veterinary college since its openi more PR