Vito Acconci recalls his first installation in the Clocktower Gallery's boiler room, and discusses the importance of site-specificity in his work.

Bill Beirne recalls how Dieter Froese introduced him to the overnight inflation and casual destruction of Sol LeWitt works, and describes encountering a woman on a twenty-foot ladder at the Clocktower Gallery...

Sculptor Richard Nonas describes how he, Alanna Heiss, and a group of fearless artists turned abandoned, rundown basements into exhibition spaces, and wrote the early history of what would become the alternative spaces movement.

The two-part conversation, A Slice of Pie with Alanna Heiss, took place November 11, 2009, at apexart between Clocktower founder Alanna Heiss, artist Nancy Hwang and curator Sandra Skurvida, curator of AVANT-GUIDE TO NYC: Discovering Absence.