The theories of how a child develops throughout their childhood and into their years before they become adults is something that has been studied by many psychologist. It is a topic that fascinates many theorist because this is when a person learns and adapts the most during these years. One such theorist is Soviet psychologist Lev Vygotsky who developed a theory in which is based on who children learn from their community and their culture and how these are important factors in how a child develops. The Three major parts of the theory are the Zone of Proximal Development also known as the ZPD, the More Knowledgeable Other known as MKO, and Scaffolding. Each of these three are part of the theory work together in the development of the child’s mind and can be used in a classroom setting in order to further the education of the student.