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
William Valentine Doctorate in Pedagogy from the Central Philippine University in Iloilo City. The university honored him further on October 1, 2005, when Central Philippine University celebrated its Founder's Day with the unveiling of a bronze bust of Valentine at Old Valentine Hall. In Negros, the Bacolod Evangelical Church and the Bacolod Christian College as well as schools and missions throughout the province are outgrowths of Valentine’s work. William Valentine "For the Nova Scotian painter see William Valentine (painter)" William Orison Valentine (May 9, 1862– February 2, 1928) was an innovative educator and missionary in service of the American Baptist Foreign Mission