Julius Richard Petri 1852
- born in:
- Barmen, Wuppertal, Düsseldorf, North Rhine-Westphalia, Germany
1877-1879 - at research facility called 'Kaiserliches Gesundheitsamt'. Worked as laboratory assistant to Robert Koch, who supervised Petri with the invention of the shallow, cylindrical, covered culture dish now known as the 'Petri dish' or Petri plate.