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 Holmes at Hunter Stadium. In November 2018, Valentine Holmes was released from his contract with the Cronulla Sharks in the National Rugby League to chase his dream to one day play in the National Football League. Valentine Holmes Valentine Holmes (born 24 July 1995) is an Australian former professional rugby league footballer who played as a er or for the Cronulla-Sutherland Sharks in the National Rugby League. An Australia international and also a Queensland State of Origin representative, he spent his entire career to date with the Sharks, with whom he won the 2016 NRL Premiership. Holmes was born in Townsville,