History of penicillin History of penicillin The history of penicillin follows a number of observations and discoveries of apparent evidence of antibiotic activity in molds before the modern isolation of the chemical penicillin in 1928. There are anecdotes about ancient societies using molds to treat infections, and in the following centuries many people observed the inhibition of bacterial growth by various molds. However, it is unknown if the species involved were "Penicillium" species or if the antimicrobial substances produced were penicillin. The Scottish physician Alexander Fleming was the first to suggest that a "Penicillium" mold must secrete an antibacterial substance, and the first
Perfect Day (1929 film) sound effects to punctuate a visual gag — a technique The Three Stooges would build their entire film career around — was still in its infancy in 1929. The loud, ringing CLANG heard when Stan is beaned on the head with the Model T's clutch would be termed by a 1929 film reviewer as "the funniest effect so far heard in a comedy." The second half of the Stooges' 1948 film "Pardon My Clutch" and its remake, "Wham Bam Slam", is a remake of "Perfect Day". Chapters — called Tents — of The Sons of the Desert, the international Laurel