art bacteria fleming

The Smithsonian has an interesting article on Alexander Fleming, the man who discovered penicillin, revealing how the scientist used his bacterial cultures to paint works of art. Fleming used different bacterial strains to create a range of colours, timing his innoculations so that the different species would mature at the same time. From the OP: It is not clear why Fleming started painting microbes; perhaps he picked up a brush one day and noticed that it felt like the loop he used for his bacteria. Or maybe it was due to the promiscuous sexual predilections of artists. Fleming worked at…