in 1965.His doctoral dissertation was The History of the Idea of a Vectorial System to 1910, which was published as the book A History of Vector Analysis two years later.

Thereafter Crowe wrote on various topics, from the history of physics and astronomy, to the Gestalt shifts in the Sherlock Holmes stories by Sir Arthur Conan Doyle. Crowe's book about the history of the extraterrestrial life debate was