2007-09 F.Wagner,Germany
2005-07 O. Poulsen, Denmark
2003-05 M.C.E. Huber, Switzerland
2001-03 M. Ducloy, France
1999-01 A.Wolfendale, United Kingdom
1997-99 D.Weaire, Ireland
1995-97 H. Schopper, Cern, Germany
1993-95 N. Kroó, Hungary
1991-93 M. Jacob, Cern, France
1988-91 R.A. Ricci, Italy
1986-88 W. Buckel, Germany
1984-86 G.H. Sta.Ord, United Kingdom
1982-84 J. Friedel, France
1980-82 A.R.Mackintosh, Denmark
1978-80 A. Zichichi, Italy
1976-78 I. Ursu, Romania
1972-76 H.B.G. Casimir, Netherlands
1970-72 E. Rudberg, Sweden
1968-70 G. Bernadini, Italy