Robert D. LevineRobert D. Levine is Professor of Linguistics at Ohio State University. He is the co-author of The Unity of Unbounded Dependency Constructions (with Thomas E. Hukari, 2015), and the editor of Formal Grammar (1992) and Studies in Contemporary Phrase Stucture Grammar (with Georgia M. Green, Cambridge, 2010). He has also published many articles in journals such as Natural Language and Linguistic Theory, Language, Linguistic Inquiry, Linguistics and Philosophy and the Journal of Linguistics. Read More Read Less