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
The Valentine The Valentine The Valentine is a museum in Richmond, Virginia dedicated to the history of the city. Founded by Mann S. Valentine II 1898, it was the first museum in Richmond. The Valentine offers exhibitions that focus on "American urban and social history, costumes and textiles, decorative arts and architecture." The Valentine also includes the 1812 neoclassical Wickham House, a National Historical Landmark. In 2014, the Valentine completed a $4.1 million renovation of its public exhibition galleries, lobby, museum store and education center. The funds for the museum were provided by Mann S. Valentine II, who made his fortune with