John Stuart Mill, born in what year, contributed the idea of mental chemistry?

John Stuart Mill was born in 1806, and he is known for contributing significantly to various fields, including philosophy and psychology. His concept of "mental chemistry" refers to the idea that the mind combines simple ideas into complex ones, similar to how chemical substances can combine to form new compounds. This idea was part of his broader exploration of how knowledge is structured and how mental processes occur. Mill's contributions laid the groundwork for later developments in psychology, particularly in how we understand the formation of thoughts and ideas. Understanding his background and the historical context of his work provides insight into how the discipline of psychology evolved, emphasizing the integration of philosophical concepts with empirical inquiry.