Alexander Mehler is professor of Computational Humanities / Text-technology at Goethe University Frankfurt where he heads the Text Technology Lab (TTLab). He is member of the board of the Center for Digital Research in the Humanities, Social Sciences and Education (CEDIFOR) and founding member of the German Society for Network Research (DGNet). His research interests include quantitative analysis and simulative synthesis of language in both spoken and written communication. To this end, he studies linguistic networks using models of language evolution, machine learning, and complex network theory. One of his current research interests concerns 4D text technologies based on virtual reality, augmented reality, and augmented virtuality.