Wolfgang served during World War I and was wounded.He received a doctorate in 1923 from Berlin University with a thesis on the relationships within a subfamily of ground beetles.
In 1924, Stichel played a significant role in establishing the nature reserve on the Pfaueninsel (Peacock Island) studying its fauna.
From 1926, he worked as an assistant and deputy head of the research center for fur animal science at the Forestry University in Tharandt, Saxony, under Heinrich Prell.
From February 1, 1939, he worked as a scientific expert for the German Settlers' Association in Berlin, assisting in small-scale gardening, small-animal breeding, pest control, and fur production.
From 1923, he edited the "Zeitschrift für wissenschaftliche Insektenbiologie" and the "Neue Beiträge zur systematischen Insektenkunde".