 Complete the following phrase:  Upon returning to East Friesland in 1579 he took the position of rector in the very school in which he was taught, the college at Norden. He was subsequently sacked by the local court in 1587 because, as a Calvinist, he would not subscribe to the confession of Augsburg. Following this, in 1588, the Calvinist count Johan offered him the position of rector in the Latin school of Leer later renamed the Ubbo-Emmius-Gymnasium. Whilst remaining in Leer it is known that Emmius had corresponded with many other important people of the time who had fled from Groningen after the area fell into the hands of the Spanish. When 