Lewis Sydney Steward O’Malley, also known as L. S. S. O'Malley (1874-1941), one of the most esteemed colonial, 'official' anthropologists in British India, served as a member of the Indian Civil Service (ICS) from 1898 to 1924.
O'Malley served as a British Civil Servant in India and received his education at Norwich Grammar School and Hertford College, Oxford, where he earned his B.A.
In 1898, he joined the Indian Civil Service (ICS) and spent several years working as a Magistrate and Collector in Bengal.
Throughout his career, O'Malley published numerous works, including the Bengal District Gazetteers for Santal Parganas and Purnea, for which he was the editor.
He also authored Indian Caste Customs in 1934, Popular Hinduism in 1935, and Modern India and the West in 1941.