Bayer including pneumonia and tuberculosis. Bayer scientists were not the first to make heroin, but the company led the way in commercializing it. "Heroin" was a Bayer trademark until after World War I. In 1903 Bayer licensed the patent for the hypnotic drug diethylbarbituric acid from its inventors Emil Fischer and Joseph von Mering. It was marketed under the trade name Veronal as a sleep aid beginning in 1904. Systematic investigations of the effect of structural changes on potency and duration of action at Bayer led to the discovery of phenobarbital in 1911 and the discovery of its potent anti-epileptic activity
What Katy Did Next What Katy Did Next What Katy Did Next (1886) is a children's book by Sarah Chauncey Woolsey, working under the pen name Susan Coolidge. It follows the stories "What Katy Did" (1872) and "What Katy Did At School" (1873) and tells the adventures of Katy Carr as she travels to Europe. The book opens by reintroducing the Carr family and introducing the widow Mrs. Ashe. Mrs. Ashe has her nephew, Walter, over for a visit and it is discovered that he has scarlet fever. Anxious that her only daughter Amy should not contract the disease, Amy is sent to live