As well as his work on polarons he is remembered for his insightful revisions of Walter Heitler's book Quantum Theory of Radiation and Nevill Francis Mott & Harrie Massey's book The Theory of Atomic Collisions.
Sigurd | The Legend of Sigurd and Gudrún | Sigurd Pettersen | The Story of Sigurd the Volsung and the Fall of the Niblungs | Sigurd Lewerentz | Sigurd the Stout | Sigurd Syr | Sigurd Rushfeldt | Sigurd Grieg | Sigurd Roll | Sigurd Risting | Sigurd Ribbung | Sigurd Lucassen | Sigurd Hofmann | Sigurd Hoel | Sigurd Haakonsson | Sigurd Christiansen |