The Expression of the Emotions in Man and Animals research; simple psychology experiments on the recognition of emotions with his friends and family; and (borrowing from Duchenne de Boulogne, a physician at the Salpêtrière) the use of photographs in his presentation of scientific information. Publisher John Murray warned Darwin that including the photographs would "poke a hole in the profits" of the book; and "The Expression of the Emotions" is an important landmark in the history of book illustration. Background: In the weeks before Queen Victoria's coronation in 1838, Charles Darwin sought medical advice on his mysterious physical symptoms, and then travelled to Scotland for a period of rest
The Expression of the Emotions in Man and Animals and a "geologizing expedition" – but actually spent some of his time re-exploring the old haunts of his undergraduate days. On the day of the coronation, 28 June 1838, Darwin was in Edinburgh. A few weeks later, he opened a private notebook with philosophical and psychological speculation – the "M Notebook" – and, over the next three months, filled it with his thoughts about possible interactions of hereditary factors with the mental and behavioural aspects of life.It should also be noted that Darwin made his first attempt at autobiography in August 1838. The critical importance of the "M Notebook" has