Venezuelan physician, naturalist, historian, linguist and philologist. Ramanujan was a poet, scholar, professor, a philologist, folklorist, translator, and playwright. Tolkien was a professional philologist, a scholar of comparative and historical linguistics. Wilhelm Scherer was a German philologist, a university professor, and a popular literary historian. Louis Duchesne was a French priest, philologist, teacher, and amateur archaeologist. Personnel included naturalists, botanists, a mineralogist, a taxidermist, and a philologist. There they meet the Emerson brothers, Egyptologist Radcliffe and his philologist brother Walter. Tolkien was a professional philologist of ancient Germanic languages, specialising in Old English. A trained philologist, Nietzsche had a thorough knowledge of Greek philosophy. Up to 1815, Leopardi was essentially an erudite philologist. Tolkien struggles at Oxford, but attracts the attention of Professor Joseph Wright, a prominent philologist. Diderot's most intimate friend was the philologist Friedrich Melchior Grimm. According to the UNESCO philologist Tapani Salminen, the proximity to Portuguese protects Galician. In 1614, Isaac Casaubon, a Swiss philologist, analyzed the Greek Hermetic texts for linguistic style. It was published in 1781 by the eighteenth-century liberal English philologist Sir William Jones.