During the 18th and 19th centuries art museums took on what role

educating the public about art.

c. the branch of philosophy that deals with beauty and how it is expressed and appreciated

so, not gonna do the actual thing because that's just laziness for an easy assignment like this.

but someone that has a lot of information and interesting details about is picasso. you can easily write a 500 word essay about him and how overtime his paintings of himself got more and more deformed representing that he was forgetting what he looked like and that was from memory.