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.
Margaret Naumburg Margaret Naumburg (May 14, 1890 – February 26, 1983) was an American psychologist, educator, artist, author and among the first major theoreticians of art therapy. She named her approach dynamically oriented art therapy. Prior to working in art therapy, she founded the Walden School of New York City.