Dr Harald Atmanspacher is at the Institute for Frontier Areas of Psychology at Freiburg, Germany. In addition he is a fellow at Collegium Helveticum (ETH Zurich) and a faculty member of the C.G. Jung Institute Zurich, Switzerland. Dr Christopher Fuchs is a member of the quantum foundations group at Perimeter Institute, Waterloo, Canada. Based on Pauli's notion of a participating observer, he explores new ideas for understanding measurement in physics.