Who believes that people must have an accurate awareness of themselves and live meaningfully in order to be psychologically well adjusted?

Existentialist

Explanation:

Existentialism is a philosophy that focuses on person's existence and their freedom to make their own choices.

It states that people can still make rational decisions in the world that is irrational.

It states that there is no powerful forces and people should just assign their own meaning to their life.

According to this philosophy people should rise above it all and make their own path as they define their own lives

Existentialism is based on just purely believing in existence without following any specific school of thought

the answer would be in this answer. someone already asked the question.  

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.