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Presidents of the International Society for the Systems Sciences
Margaret Mead
Kjell Samuelson
Lawrence B. Slobodkin
William Ross Ashby
Anatol Rapoport
Peter Caws
David Ing
Richard F. Ericson
Brian R. Gaines
Len R. Troncale
John A. Dillon
G. A. Swanson
J. Donald R. de Raadt
Gary Metcalf
John Milsum
George Klir
Bertram Myron Gross
Debora Hammond
Ervin László
Béla H. Bánáthy
Geoffrey Vickers
Russell L. Ackoff
Howard T. Odum
Peter Checkland
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