known for his work on robust statistics. In 1961 he obtained his PhD from ETH Zurich. His subsequent career alternated between universities in Switzerland and the USA where he supervised Donoho at Harvard U. He was the 1972 IMS Wald Lecturer.
http://projecteuclid.org/DPubS?service=UI&version=1.0&verb=Display&handle=euclid.ss/1215441288 Fuller biography, interview, and photographs.