Lev Vygotsky

Born in November 17, 1896 and died on june 11, 1934.

Soviet psychologist the founder of an unfinished Marxist theory of human cultural and bio social development commonly referred to cultural historical psychology, a prominent advocate for a “science of the superman”, a new psychological theory of consciousness, and leader of the Vygotsky circle.

Vygotsky main work was in developmental psychology and he proposed a theory of the development of higher psychological functions that saw human psychological development as emerging through interpersonal connections and actions with the social environment.

He argued that human psychological development can be formed through the use of meaningless signs that he viewed as psychological equivalent or instrument use in human labor and industry.