* I would like to thank Katja Glock of the corporate archive of E. Merck, Darmstadt, who discovered and sup-
plied many … August Merck bought the Engel-
Apotheke (‘Angel pharmacy’) in Darmstadt, a small city south of Frankfurt. The move to indus … turn, has the right to use the name outside the U.S. and operates in the U.S. as EMD (for E.
Merck, Darmstadt). The early …