Frederick Soddy

Nobel Prize lecture

Nobel Lecture, December 12, 1922

The Origins of the Conception of Isotopes

Read the Nobel Lecture
Pdf 162 kB

Copyright © The Nobel Foundation 1921

From Nobel Lectures, Chemistry 1901-1921, Elsevier Publishing Company, Amsterdam, 1966

To cite this section
MLA style: Frederick Soddy – Nobel Lecture. NobelPrize.org. Nobel Prize Outreach 2026. Fri. 7 Aug 2026. <https://www.nobelprize.org/prizes/chemistry/1921/soddy/lecture/>

Go to the top of the page

Explore prizes and laureates

Look for popular awards and laureates in different fields, and discover the history of the Nobel Prize.