Carl_Theodor_Hilsenberg
Carl Hilsenberg
German naturalist, botanist and ornithologist (1802–1824)
Carl (or Karl) Theodor Hilsenberg (11 March 1802 – 11 September 1824)[1][2] was a German naturalist, botanist and ornithologist, who collected plants in Madagascar[3] and Mauritius. He described the sooty albatross in 1822.