The fame of Augustus De Morgan (1806 1871), a brilliant mathematician and logician, has been eclipsed by that of his son, the celebrated ceramicist William De Morgan. However, as readers of his Memoir will discover, De Morgan senior enjoyed an equally distinguished, if turbulent, career. Collated by his wife, and published in 1882, nine years after his death, the Memoir of Augustus de Morgan chronicles the varied life of an under-appreciated genius. Biographical narrative is interleaved with his own correspondence, revealing a humorous and warm personality as well as an exceptional intellect....

Sophia Elizabeth De Morgan (1809 1892) was the wife of the mathematician and logician Augustus De Morgan and mother of the celebrated ceramicist William De Morgan. In this book, published in 1863, De Morgan, writing as 'CD' with a preface by her husband signed as 'AB' acknowledges that alleged spirit manifestations have faced much criticism and scepticism, but argues that it was a little-understood phenomenon that merited further investigation. She spent a decade on this research, and focused on the role of the mediums, people who were believed to communicate with the spirit world. She was...