Simplify the following text for a Grade 7 native English-speaking person.
Original: He graduated at Seville University in 1564 , studied later at Salamanca and AlcalÃ , and from 1571 to 1588 held a post in the treasury ; in 1594 he was arrested on suspicion of malversation , but was speedily released .
Simplified: He graduated at Seville University in 1564 and later studied at Salamanca and AlcalÃ . From 1571 to 1588 held a post in the treasury .