 Complete the following phrase:  Duncan went to Paris, where he became acquainted with the minister Jean-Baptiste Colbert, by whom he was appointed physician-general to the army before Saint-Omer, commanded by the Duke of Orléans in 1677. After the peace of Nimeguen, he left the army, published in Paris his first medical work in 1678, and then passed two years in London, where he employed himself especially in collecting information about the 