Professor Svein Stolen was born in 1960. He is Professor at the University of Oslo, Norway in the department of Chemistry. His e-mail address is svein.stolen@kjemi.uio.no Svein has written about 80 scientific research papers, published in journals worldwide. Professor Tor Grande was born in 1963. He is Professor in the Department of Materials Technology, at the Norwegian University of Science and Technology, Trondheim, Norway. His e-mail address is tor.grande@material.ntnu.no Tor has written about 80 scientific research papers, published in journals worldwide.