Anand Jayprakash Vaidya is Professor of Philosophy at San Jose State University, USA. His research focuses on epistemology and philosophy of mind. For 25 years he has worked on the epistemology of modality and how it relates to problems in the philosophy of mind, such as the nature of consciousness.

Dusko Prelevic is Associate Professor at Faculty of Philosophy, University of Belgrade, Serbia. His research focuses on the epistemology of modality, philosophy of mind, and metaphysics. For 13 years he has critically examined various aspects of physicalist research programme and modal rationalist account of our modal knowledge.