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
A Charlie Brown Valentine A Charlie Brown Valentine A Charlie Brown Valentine is an animated television special, based on characters from the Charles M. Schulz comic strip "Peanuts". It features the "Peanuts" characters during the week leading up to Valentine's Day. Initially broadcast February 14, 2002 on ABC, "A Charlie Brown Valentine" was the first new "Peanuts" special to air on television since 1994's "You're in the Super Bowl, Charlie Brown", and the first original special to be televised since Schulz's death in February 2000. "A Charlie Brown Valentine" was the first "Peanuts" special to be produced after the death of "Peanuts" creator Charles