Richard J. Gillings
Richard J. Gillings is an author and scholar best known for his work on ancient Egyptian mathematics, especially "Mathematics in the Time of the Pharaohs." The available results also indicate a second Richard John Gillings who was a British Anglican priest, so the author identification in the search results is not fully clear. Based on the book-related sources, Gillings wrote on mathematics history and Egyptology.
mathematics history
Egyptology
nonfiction