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 Late Model Series was renamed the ASA Late Model Challenge Series. As part of the splinter of the American Speed Association caused by the 2004 season, the American Speed Association was broken up. The Late Model Series was reacquired by Varney, while other assets were sold to Racing Speed Associates, led by Dennis Huth. On December, 2007, Dennis Huth filed a lawsuit against the ASA Late Model Series seeking to invalidate and cancel the ASA Late Model Series trademark registration. The ASA Late Model Series responded that the lawsuit is frivolous and without merit and plan counter sue Mr. Huth for damages caused