Costa Rican scientist Clodomiro Picado Twight documented the antibacterial effects of Penicillium fungi in 1923, five years before Alexander Fleming's celebrated discovery of penicillin, and later pioneered snake antivenom research still produced by the institute bearing his name.
Record no. MRB-2026-007108
Early Discovery of Penicillium's Antibacterial Properties
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.