William Henry Dallinger. Oil painting by Edgar Thomas, ca. 1884. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.
William Henry Dallinger, Wesleyan minister, microscopist, and student of biological questions with implications for evolution. There is a biography of him in the Oxford dictionary of national biography. Right, a microscope and a Japanese hanging scroll painting.The microscope has been identified as a "Powell and Leland No. 1"