The new-born university, which was opened in November 1473, soon took its share in the working of many active forces in diverse directions. In its very earliest years it would have risen to the highly flourishing condition it afterwards attained had not various unfavourable circumstances come in the way. The unhealthy air of the city and neighbourhood had not been sufficiently taken into consideration. War, desolation, poverty, made matters worse, just at the time when Florence was also a prey to disease. For six years the establishment kept moving from place to place. Professors and students wandered away to Pistoja and Prato, and sometimes to Florence—even Empoli and San Miniato were thought of—till the state of affairs was improved, and the hitherto scattered lecturers were brought together in a university building erected by the care of Lorenzo. There was no lack of difficulties with the professors; the Sienese Bartolommeo Sozzini and the Milanese brothers Decio, all professors of law, gave Lorenzo a great deal of trouble by their unruly conduct. Among the best professors at the outset were the jurists Baldo Bartolini of Perugia and Francesco Accolti of Arezzo, brother of the Florentine chancellor, and a pupil of Filelfo; Piero Leoni of Spoleto, already mentioned, who afterwards, to his misfortune, became Lorenzo’s family doctor; the humanists Lorenzo Lippi of Colle and Bartolommeo of Pratovecchio. Special honours fell to the share of the Roman Francesco de’ Massimi, who came to the university at its opening as professor of law, was made Principal the next year, and gained such esteem both by his lectures and by his endeavours to establish and maintain a better understanding between the two hostile cities, that the rights of citizenship were conferred on him and his descendants, and he was permitted to add the arms of Pisa to his own.[95] The salaries of the professors were mostly considerable, and Lorenzo repeatedly contributed to them out of his own funds. The archbishop, Filippo de’ Medici, supported him in his efforts to benefit the institution, which was conducive both to the honour and advantage of the see. That pecuniary difficulties could not be escaped, however, is clear from the fact that in 1485, in consequence of the non-payment of the papal allowance, a retrenchment of 2,000 florins was deemed needful.