Career
Fahrenkamp was born in Aachen and came to Düsseldorf to work in the office of Wilhelm Kreis from 1909 to 1912. He became assistant, then professor at the Düsseldorf Academy of Artist His work in the 1920s and early 1930s can be seen as an integration of progressive Neues Bauen (simplified forms, flat roofs, repeated window patterns) with features of traditional styles.
During the war, Fahrenkamp accepted commissions from the Nazis, although he considered himself apolitical.
After the war he remained active as an architect but withdrew from public life.