Carl R. Woese, the internationally known University of Illinois scientist who is credited with discovering and identifying a third domain of life, died Dec. 30 in Urbana, IL. Woese was a microbiologist, evolutionist, biophysicist, and the Stanley O. Ikenberry Professor of Microbiology at Illinois. He also was affiliated with the Institute for Genomic Biology at Illinois. Among the many awards he received are the National Medal of Science in 2000 and the Crafoord Prize in Biosciences in 2003.