Original sentence: Connor has held resident appointments at, among others, Harvard,  Dartmouth,  Trinity (Hartford),  Pomona, Rensselaer Polytechnic Institute, the London School of Economics, the Woodrow Wilson International Center for Scholars,  Oxford,  Cambridge,  Bellagio,  Warsaw,  Singapore, and Queen's University at Kingston.Connor is best known for his work on nationalism, and is considered one of the founders of the interdisciplinary  field of nationalism studies.Particularly problematic, he contends, is the tendency to  conflate the distinct concepts of state and nation, as well as the respective concepts of patriotism and nationalism which derive from them.Widely cited for his insistence on the inherently ethnic character of nationalism, which he calls ethnonationalism to emphasize the point, Connor has long held that the most significant obstacle to advancing the study of nationalism is  terminological imprecision
Edited sentence: Connor has held resident appointments at, among others, Harvard, Dartmouth, Trinity (Hartford), Pomona, Rensselaer Polytechnic Institute, the London School of Economics, the Woodrow Wilson International Center for Scholars, Oxford, Cambridge, Bellagio, Warsaw, Singapore, and Queen's University at Kingston.Connor is best known for his work on nationalism, and is considered one of the founders of the interdisciplinary field of nationalism studies.Particularly problematic, he contends, is the tendency to conflate the distinct concepts of state and nation, as well as the respective concepts of patriotism and nationalism which derive from them.Widely cited for his insistence on the inherently ethnic character of nationalism, which he calls ethnonationalism to emphasize the point, Connor has long held that the most significant obstacle to advancing the study of nationalism is terminological imprecision