The Editor: Roberta Kevelson was the foremost international scholar of Semiotics from the point of view of Charles S. Peirce. She is known as the originator of that special branch of Semiotics that is focused on the Practical Sciences. Kevelson established and directed the Center for Semiotic Research at Penn State where she was Distinguished Professor of Philosophy. Professor Kevelson died in 1998. The Contributors: Roberta Kevelson, Marcel Danesi, Joseph Brent, W.T. Scott, William Pencak, Ingo J. Hueck, Norma Procopiow, Robert C.L. Moffat, Mariana Net, John Brigham, Joel Levin, Jose de Sousa e Brito, Vincent Colapietro.