Who among the following philosophers is the man behind the philosophy of existentialism?

“Experience is the best teacher.” Who best subscribes to this thought?

Who is the main proponent of progressivism?

This man is widely recognized as the Father of Behaviorism.

Who among the following philosophers is commonly considered as the founder of essentialism?

He is the man behind the philosophy of existentialism.

He introduced the notion of zone of proximal development and “scaffolding”.

Who is behind the famous experiment about a dog who salivated just by the appearance of the bell because the dog already associated the bell to the food and the food to the bell?

"Give me a dozen healthy infants, well-formed, and my own specified world to bring them up in and I'll guarantee to take any one at random and train him to become any type of specialist I might select - doctor, lawyer, artist, merchant-chief and, yes, even beggar-man and thief, regardless of his talents, penchants, tendencies, abilities, vocations and the race of his ancestors”  This famous line is from _____.

The following are behaviorists EXCEPT for _____.