William Forsell Kirby (1844-1912) was an English entomologist and folklorist. Born in Leicester, he developed a keen interest in butterflies and moths from an early age. His significant contributions spanned both entomology and literature. Kirby authored the “Manual of European Butterflies” in 1862, a comprehensive guide to European butterfly species. Later, he became a curator at the Museum of the Royal Dublin Society, where he produced the “Synonymic Catalogue of Diurnal Lepidoptera” in 1871, followed by a supplement in 1877. His work extended to orthopteroid insects, resulting in a three-volume “Catalogue of all known species” (1904, 1906, 1910). Kirby’s linguistic prowess allowed him to fully translate Finland’s national epic, the “Kalevala,” from Finnish into English. His meticulous footnotes also enriched Sir Richard Burton’s translation of the “Arabian Nights.” Beyond science, Kirby’s legacy resonates through his multifaceted contributions to both natural history and folklore.