Rudolf Stefan Jan Weigl was a Polish biologist, physician and inventor, known for creating the first effective vaccine against epidemic typhus. He was nominated for the Nobel Prize in Medicine each year between 1930 and 1934, and from 1936 to 1939.

Přerov is a city in the Olomouc Region of the Czech Republic. It has about 42,000 inhabitants. It lies on the Bečva River. In the past it was a major crossroad in the heart of Moravia in the Czech Republic. The historic city centre is well preserved and is protected by law as an urban monument zone.