James Rennie

Educated at the University of Glasgow, he later took holy orders before building a career as a lecturer, teacher, and prolific writer on natural history. He was associated with King's College London as professor of natural history and zoology in the early 1830s, and he wrote for a broad readership rather than only for specialists.

His books covered subjects such as insects, zoology, angling, and botany, including works for beginners that helped explain science in a clear, lively way. That mix of instruction and enthusiasm made his writing well suited to readers who wanted to learn about the natural world without wading through technical language.

Later in life he emigrated to Australia, where he died in Adelaide in 1867. A suitable verified portrait image was not clearly available from the sources I checked, so no profile image is included here.