In this unexpected setting, Greenberger found an unusual medium and a desire to portray the people he met as living human beings instead of "just repositories of their memories or the wisdom of the ages.
[4] Greenberger began publishing his conversations with old people in The Duplex Planet, a small, homemade magazine he started in 1979, and continued for 187 issues, concluding in 2010.
A series of personal commentaries drawn from Greenberger's experiences with this body of work has aired regularly on National Public Radio's "All Things Considered".
Since the mid-90s he has created some 500 audio works of monologues and music with a variety of collaborators (including members of Los Lobos, NRBQ, Robyn Hitchcock, and Wreckless Eric).
Nicole Docta, UWM Center on Age & Community, 2009), as well as being adapted into the short film by David Kagen, "Whitewash."