Which theorist(s)championed the idea of self-actualization?

Question

Quizplus · Accepted Answer

Rogers and Maslow both championed the idea of self-actualization. Carl Rogers believed that all individuals have the potential to reach their highest level of functioning and that their goals and desires are intelligible and meaningful to them. Abraham Maslow's hierarchy of needs theory posits that individuals strive to satisfy their most basic physiological needs first and then move on to fulfilling their safety, belonging, esteem, and self-actualization needs.

Which Theorist(s)championed the Idea of Self-Actualization