Hermans saw service with the Belgian Army during the First World War before becoming involved in politics as a member of the nationalist Frontpartij.

[1] He quit the Frontpartij in 1933 to join Verdinaso and soon became known for his pro-Nazi stance in journals such as De Schelde, Volk en Staat, and Strijd.

[1] His membership came to an end the following year when he argued with Joris van Severen and left the group to join the Flemish National Union.

[3] Having left his official engagements with VNV in October 1940 to concentrate on this assignment, he also edited the new movement's journal SS-Man.

[1] He largely remained aloof from political involvement following his release, apart from a spell in the Order of Flemish Militants during the 1970s,[1] before his death on 23 November 1992.