Which psychologist, whose work on the 'zone of proximal development' shaped modern educational theory, was born in Orsha in 1896 and died in Moscow at age 37?

• A Alexander Luria
• B Alexei Leontiev
• C Sergei Rubinstein
• D Lev Vygotsky ✓

Lev Vygotsky's sociocultural theory argued that learning is a social process preceding individual cognitive development, a concept foundational to modern pedagogy.