Fellow, Institute for the Humanities, University of Michigan (2012-2013)

Fellow, American Institute of Aeronautics and Astronautics (1993)

Fellow, Institute of Electrical and Electronics Engineers (2003)

Fellow, Institute of Engineering and Technology (2011)

Fellow, Educational Institute of Scotland (1972; life membership granted in 1979)

Fellow, Institute for Electrical and Electronics Engineers (2005)

Fellow, Institute for Research in the Humanities, University of Wisconsin (Autumn 2004: declined).

Fellow, Institute of Electrical and Electronic Engineers (1968)

Visiting Fellow, Institute for International Economics, Washington.

Fellow, Institute of Mathematical Statistics (1966 election)