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Franz Theodor Wolf was a German naturalist, geologist, and botanist renowned for his pioneering studies of the Galápagos Islands and mainland Ecuador during the late 19th century. Born on February 13, 1841, Wolf emerged as a central figure in the scientific exploration of South America, contributing significantly to geology and botany. 

Wolf's visit to the Galápagos Islands culminated in the publication of his influential work, Ein Besuch der Galápagos-Inseln ("A Visit to the Galápagos Islands"), in 1892. This text, part of his Sammlung von Vorträgen für das deutsche Volk ("Collection of Presentations for the German People"), documented not only the geology and ecology of the islands but also provided valuable observations of the human populations residing there. His geological interpretations, which remain foundational, described the islands as the exposed summits of oceanic volcanoes, distinct in composition from the volcanic ranges of South America. 

Wolf was one of the leading figures of Ecuador’s "Golden Age of Botany," a scientific renaissance initiated in 1870 by Ecuadorian President Gabriel García Moreno. This period saw the recruitment of German Jesuit scientists to advance research and education at the National Polytechnic School and the Quito Astronomical Observatory. Alongside astronomers Juan Bautista Menten, José Kolberg, José Epping, and botanists Luis Sodiro and Luis Dressel, Wolf played an integral role in shaping Ecuador’s scientific institutions.

Beyond the Galápagos, Wolf conducted an extensive geological survey of mainland Ecuador, though much of his collected material was unfortunately lost in storage. Despite this setback, his work laid the groundwork for future geological and botanical research in the region. 

As a botanist, Wolf contributed to the classification of numerous species, particularly within the genus Potentilla. His meticulous observations enriched the understanding of plant biodiversity in Ecuador and the Galápagos Islands, solidifying his reputation as a multifaceted scientist.