Sophia Elizabeth De Morgan (1809-1892) was the wife of the mathematician and logician Augustus De Morgan and mother of ceramicist William De Morgan. In Threescore Years and Ten, completed in 1887, edited by her daughter Mary, and published in 1895, De Morgan recounts her formative early years and the influence of her father, the social reformer William Frend. She followed in his footsteps and fought for many causes, including higher education for...