Felix Hoffmann in 1890 with the pharmaceutical state exam. In 1891 he graduated magna cum laude from the University of Munich. Two years later he earned his doctorate, also magna cum laude, after completing his thesis entitled "On certain derivatives of dihydroanthracene". In 1894, he joined Bayer as a research chemist. On 10 August 1897 Hoffmann synthesized acetylsalicylic acid (ASA) while working at Bayer under Arthur Eichengrün. By combining salicylic acid with acetic acid, he succeeded in creating ASA in a chemically pure and stable form. The pharmacologist responsible for verifying these results was skeptical at first, yet once several large-scale studies
Asa language Asa language The Asa (Aasá) language, commonly rendered Aasax, was spoken by the Asa people of Tanzania. The language is extinct; ethnic Assa in northern Tanzania remember only a few words they overheard their elders use, and none ever used it themselves. Little is known of the language; what is recorded was probably Aasa lexical words used in a register of Maasai like the mixed language Mbugu. Asa is usually classified as Cushitic, most closely related to Kw'adza. However, it might have retained a non-Cushitic layer from an earlier language shift, and might be best left unclassified. The Aramanik (Laramanik)