" In London in 1874, Dr. Alder Wright was attempting to find a nonaddictive form of morphine when he synthesized a drug that he called diacetylmorphine—a terrific painkiller. In 1898, a Bayer Laboratory chemist in Germany, Heinrich Dreser, reproduced Wright’s diacetylmorphine and called it heroin—for heroisch, German for “heroic,” the word that Bayer workers used to describe how it made them feel when Dreser tested it on them. "

― Sam Quinones , Dreamland: The True Tale of America's Opiate Epidemic