Henry Solomon Wellcome (seated centre) with staff of the Wellcome Tropical Research Laboratories, Khartoum. Copy photograph, 1923, after the (1910?) original.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Henry Solomon Wellcome (seated centre) with staff of the Wellcome Tropical Research Laboratories, Khartoum. Copy photograph, 1923, after the (1910?) original. Wellcome Collection. Source: Wellcome Collection.