What year was the author of The Art of Thinking born?
The Art of Thinking Clearly The Art of Thinking Clearly is a 2013 book by the Swiss writer Rolf Dobelli which describes in short chapters 99 of the most common thinking errors - ranging from cognitive biases to elements like envy and social distortions.
Stuart Cumberland Stuart Cumberland (1857–1922) was an English mentalist known for his demonstrations of "thought reading".