 In 1955 he became one of signatories to the Russell-Einstein Manifesto.He died at age 87 in hospital in Göttingen on 5 January 1970, and is buried in the "Stadtfriedhof" there, in the same cemetery as Walther Nernst, Wilhelm Weber, Max von Laue, Otto Hahn, Max Planck, and David Hilbert.Born's wife Hedwig (Hedi) Martha Ehrenberg (1891–1972) was a daughter of the jurist Victor Ehrenberg and Elise von Jhering (a daughter of the jurist Rudolf von Jhering).