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
A. C. and Mamie Forehand A. C. and Mamie Forehand A. C. (also, "Asey" or "Asa") Forehand and (Blind) Mamie Forehand were husband and wife American gospel musicians. They recorded four songs for Victor Records in 1927. A. C. is credited with the two songs recorded on February 25, and Mamie with the two recorded on February 28according to which one of them sang, but both played on all four: A. C. guitar and harmonica, Mamie an instrument variously identified as triangle or finger cymbals. A. C. was born in Columbus, Georgia on August 9, 1890 (according to his second wife, Frances) or 1893 (according