Belgian botanist (1814-1858).
Henri Guillaume Galeotti (10 September 1814 – 1858) was a French-Belgian botanist and geologist of Italian parentage born in Paris. He specialized in the study of the family Cactaceae. He studied geology and natural history at the Etablissement Géographique de Bruxelles, where he graduated in 1835 with an award-winning dissertation on the geology of Brabant. After graduation, he spent the next five years in Mexico performing geological and botanical research. Here he collected numerous new species of plants, particularly cacti. In 1840 Galeotti was offered a position teaching botany at the Uni