Havelock Ellis

Havelock Ellis (1859–1939) was a British physician, writer, and social reformer best known for his pioneering works on human sexuality, including the multi-volume 'Studies in the Psychology of Sex.' He challenged Victorian-era taboos and advocated for sexual education and openness, influencing modern sexology and psychology.

Croydon, England, United Kingdom Feb 2, 1859 Wikipedia
psychology sexology non-fiction