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
Valentine's Day on January 25 instead of (or as well as) Valentine's Day. The day commemorates St Dwynwen, the Welsh patron saint of love. The Welsh name for Saint Valentine is 'Sant Ffolant'. On Saint Valentine's Day in Ireland, many individuals who seek true love make a Christian pilgrimage to the Shrine of St. Valentine in Whitefriar Street Carmelite Church in Dublin, which is said to house relics of Saint Valentine of Rome; they pray at the shrine in hope of finding romance. There lies a book in which foreigners and locals have written their prayer requests for love. In Finland Valentine's