Wald remained a Fellow of the Carnegie Corporation until 1941 but by that time he had already begun lecturing at Columbia University which he began in academic year 1939-40.
Wald naiiwan ang isang Fellow ng Carnegie Corporation hanggang 1941 ngunit sa pamamagitan ng panahon na niya na sinimulan lecturing sa Columbia University kung saan siya nagsimula sa akademikong taon 1939-40.