Ruth Vollmer's "Mathematical models" : sculptures between abstraction and Anschauung / Peter Weibel -- Intersections / Lucy R. Lippard -- A structure of creativity / Ann Reynolds -- Thinking the line / Nadja Rottner -- "Not in eulogy not in praise but in fact" : Ruth Vollmer and others, 1966-70 / Rhea Anastas -- "Fragments towards the sphere" : the early career(s) of Ruth Vollmer / Kirsten Swenson -- The reenchantment of the world : Ruth Vollmer's science / Ana Vallye -- Chronology / Meredith Davis -- Plates -- Ruth Vollmer's magic of simplicity, 1969 / Rolf-Gunter Dienst -- Ruth Vollmer : mathematical forms, 1970 / Sol Lewitt -- Ruth Vollmer, 1971 / Thomas Nozkowski -- On Ruth Vollmer's work, 1974 / Richard Tuttle -- Three statements, 1965, 1966, 1968 / Ruth Vollmer -- Giacometti, July 1951 / Ruth Vollmer -- An interview with Ruth Vollmer, 1973 / Susan Carol Larsen -- In conversation with Mel Bochner, 2005 / Nadja Rottner