Rubuta ci gaba don wannan sakin layi - Bayan 1945
Exner ya kasance mai ban mamaki a tsakanin abokan aikinsa a riƙe da farfesa a karkashin. Ya ci gaba da aikinsa a ƙarƙashin gwamnatin Hitler amma bai taɓa zama memba na "Jam'iyyar Nazi" ba. A lokacin "Tsarin kawar da Nazi" wanda ya biyo baya, sabbin masu mulki sun ƙaddara cewa shi "politisch unbelastet" ne ("wanda ba shi da siyasa"). A lokacin da ya mutu a shekarar 1947 ya kasance daya daga cikin 'yan kalilan sanannun masana kimiyyar laifuka da suka yi karatu da koyarwa a karkashin kasa da gwamnatoci masu mulki guda hudu: (1) Masarautar Danube har zuwa 1918, (2) Jamhuriyar Jamus har zuwa 1933, da Dictatorship na Populist-nationalist har zuwa 1945 da (4) Stalinist annexations da aikin soja da suka biyo baya. Bayan kaddamar da Jamhuriyar Tarayyar Jamus (Jamus ta Yamma) a shekara ta 1949 ya bayyana cewa sunansa zai kasance, idan ba a lalata ba, aƙalla ba zai lalace ba a ƙarƙashin tsarin mulki na biyar.