Click Here To Read: Whereof One Should Not Speak: Crumb, Directed by Terry Zwigoff, reviewed by Harvey Roy Greenberg. Crumb and most of the other films cited in Dr. Greenberg’s review are available either through Netflix, Ebay, or Amazon.com, as well as special internet sites. Dr. Harvey Roy Greenberg, Clinical Professor of Psychiatry at Albert Einstein College of Medicine at Yeshiva University, publishes widely on cinema, media, and popular culture. Other reviews and essays can be found at his website, http://www.doctorgreenberg.net. Dr. Greenberg welcomes comment, criticism, and further discussion, of his reviews.