Rydberg's anticipation that spectral studies could assist in a theoretical understanding of the atom and its chemical properties was justified in 1913 by the work of Niels Bohr (see hydrogen spectrum).
Rydbergs forventning om at spektralstudier kunne hjælpe med en teoretisk forståelse af atomet og dets kemiske egenskaber blev vist i 1913 af Niels Bohr (se hydrogenspektrum).