This publication is dedicated to pioneering curators and presents a unique collection of interviews by Hans Ulrich Obrist: Anne d'Harnoncourt, Werner Hofman, Jean Leering, Franz Meyer, Seth Siegelaub, Walter Zanini, Johannes Cladders, Lucy Lippard, Walter Hopps, Pontus Hultén, and Harald Szeemann are thus gathered in this volume. The contributions map the development of the curatorial field, from early independent curating in the 1960s and 1970s and the experimental institutional programs developed in Europe and in the USA at this time, through Documenta and the development of biennales. The book is part of the Documents series, co-published with Les Presses du réel and dedicated to critical writings.