[1] He lived in the city throughout his childhood before attending secondary school in Freiburg im Breisgau and Schwyz.

[2] From 1872 to 1881, he worked at a railway construction company in Württemberg, and then from 1882 to 1890, he operated an independent building contractor in both the German Empire and Austria-Hungary.

[2] In 1894, he bought the spa and health resort in Gaflei, which he ran alongside his brother Rudolf until 1907.

[6] It also included the building of a new road from Gaflei to the resort, which allowed it to become one of the most occupied tourist destinations in Liechtenstein during and in the years after Schädler's lifetime.

[8] In his will, he bequeathed a large portion of his wealth into educational and poor aid developments in Liechtenstein, including, but not limited to the expansion of the Vaduz state school, a church in Balzers, funding for the poor houses in Triesen, Eschen, and Vaduz and the formation of a foundation to support the education of people in his family.