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.
friedrich engels
He completed vols. 2 & 3 of Karl Marx's "Das Kapital"
Trivia about friedrich engels
Socialist Eduard Bernstein revised Karl Marx' ideas but stayed friends with this Marx pal & collaborator
This co-author also supported Karl Marx financially