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The Nobel Prize: Otto Stern Biographical
This is a brief biography on the life and scientific work of Otto Stern, a physicist honored with the Nobel Prize in physics for his "development of the molecular ray method and his discovery of the magnetic moment of the proton."
Nobel Media AB
The Nobel Prize: Nobel Prize in Physics 1943 Award Ceremony Speech
At this site read Professor E. Hulthen's "account of Stern's and Rabi's works," and contributions to the study of molecular rays.
Nobel Media AB
The Nobel Prize: Otto Stern Nobel Lecture: The Method of Molecular Rays
At this site from The Nobel Foundation you can download and read Otto Stern's Nobel Lecture entitled "The method of molecular rays," which is available in pdf format.