Complex sentence: From 1892 to 1894 he was a fellow at the University of Chicago, in the first Department of Sociology in the United States; he was appointed to the Chicago faculty in 1894 and became a professor of sociology in 1904.
Split into simpler sentences: From 1892 to 1894 he was a fellow at the University of Chicago, in the first Department of Sociology in the United States. He was appointed to the Chicago faculty in 1894 and became a professor of sociology in 1904.