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He studied metaphysics , psychology and logic under Gottlob Ernst Schulze , the author of " Aenesidemus " , who made a strong impression and advised him to concentrate on Plato and Immanuel Kant .
 Gottlob Ernst Schulze, Plato, Immanuel Kant
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gottlob Ernst Schulze, Plato, Immanuel Kant