At the meeting of the Naturforscherversammlung at Innsbruck in 1869, he was one of the founders of the German Anthropological Society, of which he became president in the following year; and from 1869 onwards he presided over the Berlin Anthropological Society, also acting as editor of its proceedings in the Zeitschrift fiir Ethnologic. In ethnology he published a volume of essays on the physical anthropology of the Germans, with special reference to the Frisians; and at his instance a census, which yielded remarkable results, was carried out among school children throughout Germany, to determine the relative distribution of blondes and brunettes.
Black mascara works best on brunettes, while brown mascara is recommended for blondes or those with lighter-colored hair.
Coloring: Blondes and redheads look great in amber shades; most brunettes look best in black frames.
Brunettes and warm-skinned individuals may opt for a palette of taupes, chocolate brown and beige to create a warmer balance without losing the same contrast.
For brunettes, Dipdown may also work as an eyebrow makeup.