Gauch remained close to Darré, whose vision of the agricultural self-sufficiency of Nordic peasantry he shared. He wrote six books of "race research" while a member of the SS, expressing both
antisemitic and Nordicist ideas, emphasising them to an extent that was extreme even in Nazi Germany. He insisted in 1933 that the fact that "birds can be taught to talk better than other animals is explained by the fact that their mouths are Nordic in structure." He further claimed that in humans, "the shape of the Nordic gum allows a superior movement of the tongue, which is the reason why Nordic talking and singing are richer." In 1934 his most important book
New Foundations for Racial Research was published. Gauch argued that, We can advance the assertion that at the base of all Racial Science there is no concept of "human being" in contradistinction to animals separated by any physical or mental trait; the only existing differentiation is between Nordic man, on the one hand, and animals as a whole, including all non-Nordic human beings, or sub-men, who are transitional forms of development. It has not been proven, moreover, that the non-Nordic man cannot be mated with apes. However Gauch soon caused embarrassment to the leadership when he published
Out of the Flower Garden of Racial Research, in which he went further, calling Italians "half-ape". As a result, the work was banned in Nazi Germany. He also believed that racial mixture led to disease, claiming that "Hereditary cancer is the conflict of races within the human body." Gauch also advocated de-Christianising German culture. He submitted a proposal to Darré to reform the calendar, getting rid of Christian festivals and replacing them with Germanic pagan ones. The proposal led to a protest from the future
Pope Pius XII. He also proposed that
Charlemagne, known as Karl the Great (Karl der Grosse) in German, should be officially renamed Karl the Slaughterer, because of his wars against the pagan Saxons in the name of Christianity. He was instrumental in the creation of a memorial to pagans murdered by Charlemagne in the
Massacre of Verden, which was erected in
Verden an der Aller in 1935. ==World War II==