Lawrence is studying a psychologist who broke ground with her compelling research into the environmental and cultural factors that influence personality development. Whom is he studying?

Then Lawrence is studying Karen Horney.

Explanation:

Karen Horney practiced later in his career as a psychoanalyst in the US. Sexuality and instinct orientation theories being the center of her argument, she questioned a number of the traditional views of the Freudian. Karen horney takes the credit as the founder of feminist psychology when he made response to the idea of Sigmund Freud based on his theory of penis envy.