information:classification
Posthumous

In 1991, the thomson (symbol: Th) was proposed as a unit to measure mass-to-charge ratio in mass spectrometry in his honour.

J J Thomson Avenue, on the University of Cambridge 's West Cambridge site, is named after Thomson.

The Thomson Medal Award, sponsored by the International Mass Spectrometry Foundation, is named after Thomson.

The Institute of Physics Joseph Thomson Medal and Prize is named after Thomson.