Even the zeeman effect, although it may tend to establish the fact that light is produced by vibratory movement, by no means proves that it is propagated in the same manner.
"The Mechanism of Life"
Stéphane Leduc
A Dutch seventeenth-century etcher and draughtsman, Reiner zeeman by name, attracted him.
"Promenades of an Impressionist"
James Huneker