We recently inaugurated Lived History, a new section of TheNation.com designed to honor, remember and pay tribute to the dearly departed who have made significant contributions to bettering our world. Each week we feature a remembrance of a member of the progressive community, either well known or more obscure, whose remarkable accomplishments demand recognition. In the process, we hope to be able to highlight and recover some of the more important but often obscure periods of our history that demonstrate the progressive tradition in American life. Here are a few of the notable individuals we lost in 2010.