278 JEROME CARDAN. 



break his head; the other lodging was less brilliant, but 

 safe. Towards the end of his period of residence in 

 Bologna, Cardan bought for himself a house near the 

 church of S. Giovanni in Monte. 



At Bologna he found his old pupil Lodovico Ferrari 1 

 lecturing upon mathematics ; but the death of Ferrari 

 happened when he had been scarcely a year in office as 

 professor. Ferrari, as we have seen already, owed his 

 whole position to Cardan, and must have looked back 

 with some pleasure to the days when he and his master 

 worked out together in Milan the problems of " that 

 deuce of a Messer Zuanne da Coi." 



Jerome formed also a friendship at Bologna with Mario 

 Gessio 5 and received into his house soon after his arrival 

 there Rodolf Silvester, a pupil who became a good 

 physician, and was, after Ferrari, the most notable of all 

 his house-pupils. During the eight years of his residence 

 at Bologna, he received also two other pupils, Giulio 

 Pozzo, native of the town, the only youth by whom his 

 teaching ever was abandoned, and Camillo Zanolini, also 

 native of Bologna, a good musician, who became a notary 

 public, and was conspicuous for elegance of manners 2 . 



It has been said, that in the year 1562 the building of 

 the University of Bologna, as it now stands, was com- 



1 Vita L. Ferrar, Op. Tom. ix. p. 568. 



2 De Vita Propria, cap. xxxv. 



