Reuven Feuerstein

Reuven Feuerstein (; August 21, 1921 – April 29, 2014) was an Israeli clinical, developmental, and cognitive psychologist. He is known for his theory of intelligence which states “"it is not ‘fixed’, but rather modifiable"”. He was born in Botoşani, Romania.
Feuerstein died in Israel from unknown causes, aged 92.