Lewis Henry Lapham was the editor of Harper's Magazine from 1976 until 1981, and again from 1983 until 2006. He is the founder and current editor of Lapham's Quarterly, featuring a wide range of famous authors devoted to a single topic in each issue. Lapham has also written numerous books on politics and current affairs.
Lapham's Quarterly
http://www.laphamsquarterly.org/