Domingo Francisco Jorge Badía y Leblich; 1767–1818), better known by his pseudonym Ali Bey el Abbassi, was a Spanish explorer, soldier, and spy in the early 19th century. He supported the French occupation of Spain and worked for the Bonapartist administration, but he is principally known for his travels in North Africa and the Middle East. He witnessed the Saudi conquest of Mecca in 1807.

Lady Hester Lucy Stanhope was a British adventurer, writer, antiquarian, and one of the most famous travellers of her age. Her excavation of Ascalon in 1815 is considered the first to use modern archaeological principles, and her use of a medieval Italian document is described as "one of the earliest uses of textual sources by field archaeologists". Her letters and memoirs made her famous as an explorer.