 Complete the following phrase:  Constantine dOhsson came to Sweden in 1798, and graduated from the Uppsala University in 1799. That same year he became clerk at the Foreign office and spent 180103 as an attaché in Paris, where he occupied himself with researches in Oriental history. He was a legation secretary in Madrid in 180506, at the embassy of the Prussian royal court in 180708, in Seville where the 