William A. Hempel (toxicologist)

William A. Hempel was a toxicologist known for his research on how chemicals affect human health and the environment. His work involved studying the properties of various substances, understanding their potential risks, and helping develop safety standards. Hempel contributed to assessing exposure risks and improving methods for detecting toxic chemicals, thereby supporting public health protections. His expertise helped inform regulations and safety guidelines to minimize harmful effects from toxic substances in everyday life.