Final answer:
Abraham Maslow proposed the hierarchy of human needs as a theory of motivation, which organizes human needs into a pyramid.
Step-by-step explanation:
The hierarchy of human needs as a theory of motivation was proposed by Abraham Maslow. According to Maslow, human needs can be organized into a pyramid, with basic physiological needs at the base and self-actualization at the top. Maslow believed that individuals must satisfy lower-level needs before they can progress to higher-level needs.