The Expression of the Emotions in Man and Animals usually been viewed in its relationship to Darwin's conception of "natural selection" as the central mechanism of evolutionary development, which he probably grasped some time around September 1838. These notes have a tentative and fragmented quality, especially in Darwin's descriptions of conversation with his father (a successful doctor with a special interest in psychiatric problems) about recurring patterns of behaviour in successive generations of his patients' families. Darwin was anxious about the materialistic drift in his thinking – and of the disrepute which this could attract in early Victorian England – at the time, he was mentally preparing for marriage
The Man Who Wrote Frankenstein Hunt, as well as the "nature of the manuscript evidence", showed that the work was "conceived and mainly written by Mary Shelley". The Man Who Wrote Frankenstein The Man Who Wrote Frankenstein is a 2007 book written and published by John Lauritsen, in which the author argues that the poet Percy Bysshe Shelley, not his wife Mary Shelley, is the real author of "Frankenstein" (1818), that the novel "has consistently been underrated and misinterpreted", and that its dominant theme is "male love". Lauritsen maintains that handwriting cannot be used to determine the actual author of "Frankenstein". His work received positive