sentences:  In Batavia, he was an active scholar, publishing on linguistics, language, and history.In 1838 he founded a journal, ("Journal for the Dutch East Indies"), which he edited until 1862, and he edited and translated a fourteenth-century romantic poem written in the Jawi alphabet, the "Syair Bidasari".He was chairman of the Batavian Society of Arts and Sciences and its president after 1845, and published a book on the colony's arts and sciences and one on the colony's history.