Apart from the fact that Luis de Leon was taught singing,[13] as became the future friend of Salinas, we know next to nothing of his early youth. From himself we learn that he was taken from Belmonte to Madrid when he was five or six, that at the age of fourteen he was entered at Salamanca University, where one of his uncles--Francisco de Leon--was lecturer on Canon Law, and that shortly afterwards he resolved to enter a religious order.[14] The eldest son of a judge,[15] Luis de Leon renounced most of his share of the paternal estate,[16] and gave it up to one--or both--of his younger brothers Cristóbal and Miguel, each of whom had been _veinticuatro_ of Granada at some date previous to April 15, 1572.[17] On January 29, 1544, Luis de Leon was formally professed in the Augustinian order.[18] In his monastery we may plausibly conjecture that he led a solitary and bookish existence, poring over his texts and attending lectures assiduously. As early as 1546-1547 his name appears on the list of students of theology at Salamanca; the registers of theological students covering the years 1547-1548 to 1550-1551 are missing; Luis de Leon's name does not appear in the register for the academic year 1551-1552, but it recurs in the University books for the years 1552-1553 and 1554-1555. He there figures still as a student of theology.[19] He would seem, therefore, to have shown no amazing precocity in the schools; but his application, we may be sure, was intense, and there is nothing rash in assuming that during part of the two years that he was absent, as he tells us,[20] from Salamanca, he was lecturing at Soria. The remaining eighteen months he probably devoted to exegetical studies at Alcalá de Henares, where he matriculated in 1556.[21] He was about thirty when he rather unexpectedly graduated as a bachelor of Arts at the University of Toledo.[22] Why he preferred to take his degree at Toledo instead of at Salamanca is not clear; it is plausibly conjectured that economy may have been his motive, as the obtaining of a bachelor's degree at Salamanca was an expensive business.[23] Confirmation of this conjecture is afforded by the fact that he speedily returned to his allegiance, was 'incorporated' as a bachelor at Salamanca in 1588, graduated there as a licentiate of theology in May 1560, and in the following month became a master of theology.[24] It soon became clear that he did not regard a University degree as a mere distinction. The retirement of Gregorio Gallo caused a vacancy in the chair of Biblical Exegesis at Salamanca. Luis de Leon, though but a master of a few months' standing, presented himself as a candidate for the post. He failed to obtain it, being defeated by Gaspar de Grajal, a future ally and fellow victim:[25] so far as can be ascertained, this was Luis de Leon's sole academic check. Manifestly he was not daunted. He claimed, and established, his right to take part in certain examinations in his faculty,[26] and 'con mucho exceso' thwarted the designs of the famous Domingo Bañez, whom he afterwards described as 'enemigo capital'.[27] His combativeness did him no immediate harm, for, in December 1561, he was elected Professor of Theology at Salamanca.[28] He was obviously not disposed to hide his light under a bushel, nor to perform his academic duties in a spirit of humdrum routine. Whatever he did, he did with all his might, and his strenuous versatility made him conspicuous in University life. In 1565 he was transferred from the theological chair to the chair of Scholastic Theology and Biblical Criticism, in which he succeeded his old master Juan de Guevara.[29]