Theodor Escherich (29 November 1857 – 15 February 1911) was a German-Austrian pediatrician and a professor at universities in Graz, and Vienna. He discovered the bacterium Escherichia coli, which was named after him in 1919, and determined its properties.
Please see a poster created by Dr. Amarender Reddy, Dy. Director of IPM. (Click on the photo for larger view)