Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
snellen
Herman Snellen (February 19, 1834, Zeist - January 18, 1908) was a Dutch ophthalmologist who introuced the Snellen chart to study visual acuity (1862).