Max Wertheimer (1880–1943) was a man considered the founder of the Gestalt psychological theory, but he worked with two friends. Here are The Gestalt Psychology Definition, and Founders
Cognitive Psychology: Definition, History, 7 Methods, and Benefits of Studying It
Cognitive Psychology itself consists of two basic words, namely Psychology and cognitive. Here are The Cognitive Psychology Definition, History, Methods, and Benefits of Studying It