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 Vallis honoured with a footpath plaque in Albert Street, Brisbane, on the Queensland Literary Trail in 1996. Valentine Vallis Valentine Thomas Vallis (1916–2009) was a Queensland poet, lecturer and opera critic. Valentine "Val" Thomas Vallis was born in Gladstone, Queensland on 1 August 1916. His father, Michael was a fisherman and wharf worker. Vallis wrote of his father, mother Daisy and siblings in a number of his poems. After attending Gladstone State School and studying secretarial work at Rockhampton High School (1929-1932), Vallis became a clerk in the Gladstone Town Council. Throughout his childhood he had been an avid reader with