Johann Radon

Johann Radon (1887-1956) was a mathematician born in Litomerice in Bohemia (now Czech Republic). He wrote a doctoral dissertation on calculus of variations in 1910, at the University of Vienna.

He is best known now for:

• his part in the Radon-Nikodym theorem;

• the Radon measure concept of measure as linear functional;

• the Radon transform, in integral geometry, based on integration over hyperplanes - with application to scanners.