Hesse worked in the spirit of Karl August Mbius (German zoologist) with biogeography and ecology of vertebrates and in 1924, he published his Tiergeographie auf kologischer Grundlage.
Hesse worked in the spirit of Karl August Mobius with biogeography and ecology of vertebrates. Karl August Mobius (7 February 1825 in Eilenburg  26 April 1908 in Berlin) was a German zoologist who was a pioneer in the field of ecology and a former director of the Museum fur Naturkunde in Berlin. In 1924, he published his Tiergeographie auf Okologischer Grundlage. 
