By Marina Zhang In 1856, 18-year-old chemist William Henry Perkin was experimenting with coal tar-derived compounds in a crude laboratory in his attic. His teacher, August Wilhelm von Hofmann, had published a hypothesis on how it might be possible to make a prized malaria drug using chemicals from coal tar, and as his assistant, Perkin […]
Tag: United States Department of Health and Human Services
The United States Department of Health & Human Services, also known as the Health Department, is a cabinet-level executive branch department of the U.S. federal government with the goal of protecting the health of all Americans and providing essential human services.
