"for his contribution to the development of the molecular ray method and his discovery of the magnetic moment of the proton"
"for his work on the use of isotopes as tracers in the study of chemical processes"
"for his discovery of vitamin K"
"for his discovery of the chemical nature of vitamin K"
No Nobel Prize was awarded this year. The prize money was with 1/3 allocated to the Main Fund and with 2/3 to the Special Fund of this prize section.