In this photo provided by Joe Villari, with the Virginia Outdoors Foundation, William H. “Marty” Martin poses for a picture at the Bull Run Mountains Preserve in Broad Run, Va., in July 2021. Martin, a respected snake researcher who had been making significant discoveries about the species since childhood, died Aug. 3, 2022, after being bitten the day before by a timber rattler. (Joe Villari/Virginia Outdoors Foundation via AP)