Dr. John T.D. Caleb is an Indian arachnologist whose research mainly focuses on the spider diversity, taxonomy and DNA barcoding. He has described over 70 new spider species across India and has over 115 research papers on an extensive range of taxonomic revisions on spiders from the Indian subcontinent. His passion towards the systematics and biogeography of salticids got him the “Herbert Levi Fund for Arachnological Research” in 2017 by the American Arachnological Society for studying the Salticids of India.