Charles Grant Blairfindie Allen was a Canadian science writer and novelist, born on February 24, 1848, in Kingston, Canada. He was educated at Merton College in England. Known for his public advocacy of evolutionary theory in the late 19th century, Allen's works often explored the intersection of science, philosophy, and social issues. His novels, essays, and popular science writings made him an influential figure in promoting evolutionary ideas during a time of significant scientific debate. Allen's literary contributions include fiction and scientific writings, with works such as The Woman Who Did garnering attention. He was also a proponent of progressive social ideas. Allen passed away at the age of 51 on October 25, 1899, in Hindhead, United Kingdom. He was the son of Catherine Ann Grant and Joseph Antisell Allen, and had one child. Allen's legacy as a thinker and writer continues to be appreciated for its contributions to both literature and the understanding of scientific concepts in the public sphere.