L.S. Vygotsky was a Soviet thinker, teacher, and writer who worked in psychology, education, and the holistic science of child development then called pedology. In a short career of only a decade, he created works that transformed the way we connect history, culture, and human development today.  Nikolai Veresov is currently an associate professor at Monash University. He was a researcher in Finland and in Russia, where he studied psychology with leading lights of the cultural historical school such as V.V. Davydov. He has published widely on Vygotsky in many languages, including Vygotsky’s native language; he is currently an editor of the Cultural Historical Research book series with Springer. His current work is on education of early years in Australia.  He is the translator of Vygotsky’s “Consciousness as  Problem in the Psychology of Behavior” (1999) and “The Role of Play in the Development of the Child (2016)”. He has also translated the work of D. B. Elkonin on periodizing child development. (2000).   David Kellogg is currently an assistant professor at Sangmyung University. He is the author of over fifty articles in international journals on cultural-historical psychology, systemic-functional linguistics, and teaching/learning,  He and his former students have published twelve volumes of Vygotsky translations in Korea.