“The Tartu Circle of Friends and Ülo Sooster” exhibition at KUMU museum, 05.12.2014–29.03.2015. The art experiments of the Pallas school artists in the late 1950s and 1960s and their impact on Estonian art. Recollections and discussion by Heldur Viires, Liisa Kaljula, Enn Lillemets, and Margus Meinart.