text: *Cross of Valour (1920)
  *Fellow of the Rockefeller Foundation (1930–31)
  *Golden Cross of Merit (1951)
  *Marian Smoluchowski Medal (1968)
  *Honorary degree of the University of Windsor (1973)
  *Honorary degree of the Nicolaus Copernicus University in Toruń (1973)
  *Honorary degree of the University of Gdańsk (1975)