Otto Kratky

Otto Kratky (born 1902 in Vienna, died 1995 in Graz) was an Austrian physicist. He is best known for his contribution to the small-angle X-ray scattering method, for the Kratky plot, and for the invention the density metering using the oscillating u-tube principle. The worm-like chain model in polymer physics, introduced with Günther Porod in a 1949 paper, is also named the Kratky–Porod model.

In 1936, Kratky won the Haitinger Prize of the Austrian Academy of Sciences.[1] From 1946 to 1972, he was professor at the University of Graz Institute for Physical Chemistry. In 1956/57 he served as rector of the university.[2] In 1985 he was elected to the German order Pour le Mérite.[3] Kratky was awarded the Erwin Schrödinger-Preis by the Austrian Academy of Sciences in 1964,[4] the Wilhelm Exner Medal in 1970,[5] and the Gregori Aminoff Prize in 1987.


  1. "Kratky, Otto" (in German). Austria-Forum. Retrieved 9 January 2016.
  2. Archived 2011-10-04 at the Wayback Machine history of physical chemistry at Graz.
  4. "Preisträger und Preisträgerinnen des Erwin Schrödinger-Preises" (in German). Austrian Academy of Sciences. Archived from the original on 19 August 2011. Retrieved 22 August 2011.
  5. Editor, ÖGV. (2015). Wilhelm Exner Medal. Austrian Trade Association. ÖGV. Austria.
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