Laura Hoptman was co-curator of Yayoi Kusama's travelling 1998-9 retrospective exhibition 'Love Forever' and Assistant Curator in the Department of Drawing at the Museum of Modern Art in New York. An American art historian, Hoptman is one of the world's foremost experts on the work of Yayoi Kusama. Akira Tatehata, a Japanese art critic and poet, is Professor at Tama Art University and Lecturer at Tokyo University. Tatehata was the Japanese commissioner for the Venice Biennale in 1993, the year Yayoi Kusama represented her country. He has known the artist and followed her work closely for many years. Udo Kultermann is a German-born art historian and critic. Also a noted Professor of Architecture at the Washington University, Saint Louis (1986-94), Kultermann's books include The New Sculpture (1967) and The New Painting (1969). He curated Kusama's first presentation of her work in Germany, in 1996.