Question

who discovered the antibiotic on which bacteria washer working at the time​

Answer 1

Answer:

Designated November 19, 1999, at the Alexander Fleming Laboratory Museum in London, U.K. Also recognized at the U.S. Department of Agriculture National Center for Agricultural Utilization Research in Peoria, Ill., and the five American pharmaceutical companies that contributed to penicillin production research during WWII: Abbott Laboratories, Lederle Laboratories (now Pfizer, Inc.), Merck & Co., Inc., Chas. Pfizer & Co. Inc. (now Pfizer, Inc.) and E.R. Squibb & Sons (now Bristol-Myers Squibb Compan