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
James Valentine (musician) James Valentine (musician) James Burgon Valentine (born October 5, 1978) is an American musician and songwriter. He is the lead guitarist for the pop rock band Maroon 5. Valentine was born in Lincoln, Nebraska. He was raised as a member of The Church of Jesus Christ of Latter-day Saints (Mormon) and has three sisters and one brother. His mother is a former beauty queen, who was a school teacher before becoming a stay-at-home mom to raise her five children. His younger sister, Amanda Valentine has been a contestant on "Project Runway" two times starring in Season 11 and Season 13,