He was a nephew of prime minister of Norway Frederik Stang, a cousin of prime minister Emil Stang and physician Vilhelm Uchermann, a son-in-law of war historian Didrik Thomas Johannes Schnitler, and brother-in-law of war historian Gudmund Schnitler.

[1] Uchermann studied at the Norwegian National Academy of Craft and Art Industry from 1872 to 1875, with Anders Askevold in Bergen from 1875 to 1876, at the Academy of Fine Arts in Munich from 1876 to 1878, and with Émile van Marcke in Paris from 1878 to 1881.

[1] Among his paintings are Flamsk hundeforspann from 1880, Fienden kommer from 1895, and I solveggen from 1899, all located at the National Gallery of Norway.

Hvile paa Jagten from 1880 is located at the Musée des Beaux-Arts de Bordeaux.

[1][3] He designed the world's first practical franking machine in 1901, which was further developed and manufactured in cooperation with Nils Krag.