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
Karen Valentine opposite hosts Dick Stewart and Wink Martindale, and during that time she appeared on another Chuck Barris show, "The Dating Game". In 1969, Valentine won her breakthrough role as a new teacher on the ABC television series "Room 222" with Lloyd Haynes and Michael Constantine. She was discovered by Gene Reynolds, the director of "Room 222", who saw her lip-synching in rehearsal and realized she was funny. She was nominated twice for an Emmy and once for a Golden Globe, winning an Emmy in 1970 for Outstanding Actress in a Supporting Role. Valentine later starred in her own television series,