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
Barry Valentine soloist and as accompanist to singers and fellow musicians. He "delighted audiences not only with his playing but also with his lucid and humorous commentaries." Valentine died Friday, October 16, 2009 on Salt Spring Island, BC. A memorial service was held on Sunday, October 25, 2009 at St. John's Anglican Cathedral in Winnipeg. He was survived by his wife Johnian Carolyn Evans A son, John Valentine, played international cricket for the Canadian national side, and took Canada's first wicket in One Day Internationals. Barry Valentine Barry Valentine (26 September 1927 – 16 October 2009) was bishop of the Diocese of