Summary: James Rennell was a noted surveyor and geographer who made significant contributions to the mapping of India. He served in the East India Company and was involved in various surveying missions. Rennell's work included the Bengal Atlas and Memoir and Map of Hindostan, highlighting his expertise in geographical studies. His accomplishments led to his recognition as the "father of Indian geography." Rennell also held the prestigious title of Fellow of the Royal Society. His efforts in mapping and surveying are acknowledged as valuable contributions to the understanding of Indian geography.