“…Consequently, in the 1920s, he was one of the most relevant neuroscientists in the world and his figure attracted many outstanding disciples, as the American neuropathologist and neurosurgeon Wilder S. Penfield (Penfield, 1924(Penfield, , 1977del Río-Hortega and Penfield, 1927; see also de Castro, 1981de Castro, , 2019del Río-Hortega Bereciartu, 2020). Pío del Río-Hortega was proposed by first time for the Nobel Prize in Physiology or Medicine 1929 1 because of his "work on the histology and histopathology of the nervous system, especially studies of glial tissue (microglia and oligodendroglia)" (de Castro, 2019;del Río-Hortega Bereciartu, 2020). Escaping from the Spanish Civil War (1936)(1937)(1938)(1939) first, and the 2nd World War (1939)(1940)(1941)(1942)(1943)(1944)(1945) later, Río-Hortega continued researching out of Spain up to his death.…”