Anthropologist Elliot Liebow. He is the author of the classic 1967 study "Tally's Corner," a look at African-American street corner life. The bestseller was Liebow's doctoral dissertation, and it's still used by many college students. His new work, the first he's published in over twenty years, is called "Tell Them Who I Am: The Lives of Homeless Women."(Free Press/Macmillan). He investigates the patterns and routines of homeless women around Washington, D.C.