Career
He was again in the Parliament from 1929–1930, this time representing the Agrarian Party. On all three occasions, Auer was elected from the constituency of Uusimaa Province. He was 2nd Minister of Agriculture in the cabinet of Lauri Ingman in 1924 and became Minister of Agriculture after the Agrarian Party withdrew from the cabinet.
Auer became an agronomist in Denmark in 1904 and obtained a Master"s degree in Finland 1910.
He lived as a farmer in Tuusula from 1909–1914 and 1926–1963, in rural Helsinki from 1910–1916 and in Jaala from 1916–1926.