This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
William Leybourn. William Leybourn portrait In La Science de l'arpenteur dans toute son etendue by Dupain de Montesson photolib noaa gov htm Dupain de Montesson PDold DEFAULTSORT Leybourn en William Leybourn births deaths thcentury mathematicians thcentury mathematicians Mathematicians from England Publishers from England Surveyors