Felix Hoffmann Felix Hoffmann Felix Hoffmann (21 January 1868 – 8 February 1946) was a German chemist notable for re-synthesizing diamorphine (independently from C.R. Alder Wright who synthesized it 23 years earlier), which was popularized under the Bayer trade name of "heroin". He is also credited with synthesizing aspirin, though whether he did this under his own initiative or under the instruction of Arthur Eichengrün is contested. Felix Hoffmann was born on 21 January 1868 in Ludwigsburg, Germany, the son of an industrialist. In 1889 he started studying chemistry at the Ludwig Maximilian University of Munich to study pharmacy and ended it
Bayer designation Bayer designation A Bayer designation is a stellar designation in which a specific star is identified by a Greek or Latin letter followed by the genitive form of its parent constellation's Latin name. The original list of Bayer designations contained 1,564 stars. Most of the brighter stars were assigned their first systematic names by the German astronomer Johann Bayer in 1603, in his star atlas "Uranometria". Bayer assigned a lower-case Greek letter (alpha (α), beta (β), gamma (γ), etc.) or a Latin letter (A, b, c, etc.) to each star he catalogued, combined with the Latin name of the star's