Who was Landen? John Landen (1719–1790) was an English land surveyor (20 years) and then the Earl Fitzwilliam's land agent (26 years). Also an amateur
{"Image DocumentName": "Who was Landen?", "Image ImageDescription": "John Landen (1719\u20131790) was an English land surveyor (20 years) and then the Earl Fitzwilliam\u2019s land agent (26 years). Also an amateur mathematician. Published 8 articles in Philosophical Transactions of the Royal Society between 1754 and 1785 and elected a fellow in Also published 8 books and contributed problems and solutions to the Ladies Diary (a publication designed principally for the amusement and instruction of the fair sex)", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}