 Dr. F. Ulrich Hartl, Director at the Max Planck Institute of Biochemistry, in Munich, Germany, and Dr. Arthur L. Horwich, Eugene Higgins Professor of Genetics and Pediatrics at the Yale University School of Medicine, and Investigator, Howard Hughes Medical Institute.- For elucidation of the molecular machinery that guides proteins into their proper functional shape, thereby preventing the accumulation of protein aggregates that underlie many diseases, such as Alzheimer's and Parkinson's.Dr.