Quote from Elie Cartan: The Theory of Spinors, Hermann, Paris, 1966, first sentence of the Introduction section of the beginning of the book (before the page numbers start): "Spinors were first used under that name, by physicists, in the field of Quantum Mechanics.
Παράθεση από τον Elie Cartan: The Theory of Spinors, Hermann, Paris, 1966, η πρώτη πρόταση της εισαγωγής του βιβλίου (πριν η αρίθμηση σελίδων ξεκινήσει): "Spinors were first used under that name, by physicists, in the field of Quantum Mechanics.