Lizzie Susan Stebbing, the English logician and philosopher, was born in London. A very delicate child, she received a discontinuous education until she went to Girton College, Cambridge, in 1906. While at Cambridge she happened to read F. H. Bradley's Appearance and Reality, which led to her interest in philosophy. She became a pupil of the logician W. E. Johnson. From 1913 to 1915 she lectured in philosophy at King's College, London; and she became a lecturer at Bedford College, London, in 1915 and a professor in 1933.

In London Stebbing's philosophical development was stimulated by the meetings of the Aristotelian Society, which were often attended by Bertrand Russell, A. N. Whitehead, and G. E. Moore; and she always acknowledged the philosophical influence of Moore as particularly strong. In 1931 she published A Modern Introduction to Logic and in 1937 Philosophy and the Physicists, which were by a considerable...