Henry Drummond (1851-1897) was a Scottish naturalist, writer, and lecturer known for his work in the fields of science and religion. He gained prominence for his lectures on evolution and the relationship between science and faith, particularly during the Scopes Trial era. Drummond's most famous work, "The Ascent of Man," explores the idea of human evolution and the moral implications of scientific discoveries. In addition to his scientific contributions, Drummond was also a prominent figure in the Victorian era, advocating for social reform and the importance of education. His writings often emphasized the harmony between science and spirituality, making him a significant figure in the discussions surrounding Darwinism and its impact on society.