THOBURN, W. L. 18?? — 1???. Perhaps related to the U.S. Methodist missionary bishop James Mill Thoburn (1836–1922), who had worked in Lucknow and had several children.

Publications: The English–Urdu Dictionary. Lucknow 1898.

Sources: prabook.com on J.M.Th. No information about W.L.Th. found in Internet.