Final answer:
Abraham Maslow and Carl Rogers are historical psychologists associated with the humanistic movement in psychology. Maslow developed the hierarchy of needs theory, and Rogers popularized the client-centered approach to therapy.
Step-by-step explanation:
Abraham Maslow and Carl Rogers are two historical psychologists associated with the humanistic movement in psychology. Humanistic psychology emphasizes the potential for good that is innate to all humans and focuses on how healthy people develop. Maslow developed the hierarchy of needs theory, which proposes that human beings have certain needs in common and that these needs must be met in a certain order. Rogers is well-known for his client-centered approach to therapy, which is still widely used today.