Streptomyces antibioticus
Streptomyces antibioticus (previously known as Actinomyces antibioticus) is a bacterium discovered in 1941 by Nobel-prize-winner Selman Waksman and H. Boyd Woodruff. It produces a large number of antibiotic compounds, including boromycin, oleandomycin, mycangimycin,, actinomycin, and others.