1947-1950*

Chair

J. Clay, Netherlands

Secretary

P. Auger

(attended by Powell, Blackett, Heitler, J.A. Wheeler, Janossy etc.)

1952-1954*

Chair

P.M.S. Blackett

Secretary

L. Leprince-Ringuet

Members

C. D. Anderson USA

G. Bernardini, Italy

H.J. Bhabha, India

M.S. Vallarta, Mexico (based on Cronin’s article)

1955-1957*

Chair

P.M.S. Blackett

Secretary

L. Leprince-Ringuet

Members

C. D. Anderson USA

G. Bernardini, Italy

H.J. Bhabha, India

M.S. Vallarta, Mexico

1961-1963*

Chair

C.F. Powell, England

Members

M. Danysz, Poland

N. Dobrotin, USSR

S. Hayakawa, Japan

G. Occhialini, Italy

B. Rossi, USA

V.A. Sarabhai, India

J.A. Simpson, USA

1964-1966*

Chair

J.A. Simpson, USA

Secretary

N.A. Dobrotin, USSR

Members

G. Occhialini, Italy

M.G.K. Menon, India

M. Miesowics, Poland

S. Miyake, Japan

J.G. Wilson, UK

Corresponding members:

B. Rossi, USA

E. Schopper, Germany

1967-1969*

Chair

J.A. Simpson, USA

Secretary

N.A. Dobrotin, USSR

Members

G. Occhialini, Italy

M.G.K. Menon, India

M. Miesowics, Poland

S. Miyake, Japan

J.G. Wilson, UK

Corresponding members:

B. Rossi, USA

E. Schopper, Germany

1973-1975

Chair

M.G.K. Menon, India

Secretary

A. Somogyi, Hungary

Members

E. Bagge, Germany

G. Cini-Castagnoli, Italy

R. Gall, Mexico

J. Gierula, Poland

J. Nishimura, Japan

B. Peters, Denmark

S.N. Vernov, USSR

C.J. Waddington, USA

1976-1978

Chair

A. Somogyi, Hungary

Secretary

S. Miyake

Members

A.E. Chudakov, USSR

R.R. Daniel, India

R. Gall, Mexico

B. Peters, Denmark

K. Pinkau, Germany

H. Reeves, France

C.J. Waddington, USA

A.W. Wolfendale, UK

1979-1981

Chair

S. Miyake

Secretary

A.W. Wolfendale, UK

Members

B. Betev, Bulgaria

A.E. Chudakov, USSR

R.R. Daniel, India

J. Dubinsky, Czechoslovakia

A.G. Fenton, Australia

M. Galli, Italy

F.B. McDonald, USA

K. Pinkau, Germany

H. Reeves, France

P.H. Stoker, South Africa

1982-1984

Chair

A.W. Wolfendale, UK

Secretary

A.E. Chudakov, USSR

Members

B. Betev, Bulgaria

J. Dubinsky, Czechoslovakia

M. Galli, Italy

D. Hovestadt, Germany

F.B. McDonald, USA

T. Montmerle, France

B.V. Sreekantan

P.H. Stoker, South Africa

K. Suga, Japan

J. Wdowczyk, Poland

1985-1987

Chair

A.E. Chudakov, USSR

Secretary

F.B. McDonald, USA

Members

T. Montmerle, France

B.V. Sreekantan

P.H. Fowler, UK

D. Hovestadt, Germany

H. Moraal, South Africa

K. Suga, Japan

G.C. Castagnoli, Italy

J. Kota, Hungary

J.R. Prescot, Australia

J. Wdowczyk, Poland

1988-1990

Chair

F.B. McDonald, USA

Vice-Chair

B.V. Sreekantan

Secretary

J. Wdowczyk, Poland

Members

P.H. Fowler, UK

G.C. Castagnoli, Italy

A. Goned

J. Kota, Hungary

J.-P. Meyer, France

S. Miyake, Japan

H. Moraal, South Africa

K. Suga, Japan

J.R. Prescot, Australia

G.H. Wibberenz, USA

G.T. Zatsepin, USSR

1991-1993

Chair

J. Wdowczyk, Poland

Vice-Chair

B.V. Sreekantan

Secretary

H. Moraal, South Africa

Members

J. Arafune, Japan

J.-P. Meyer, France

R.W. Clay, Australia

G. Navarra, Italy

L. O’C. Drury, Ireland

A.A. Watson, UK

T.K. Gaisser, USA

P. Kiraly, Hungary

G.H. Wibberenz, USA

G.T. Zatsepin, USSR

1994-1996

Chair

H. Moraal, South Africa

Vice-Chair

T.K. Gaisser, USA

Secretary

J. Arafune, Japan

Members

R.W. Clay, Australia

R. Cowsik, India

G. Navarra, Italy

L. O’C. Drury, Ireland

A.A. Watson, UK

P. Goret, France

P. Kiraly, Hungary

A. Turtelli

R. Schlickeiser, Germany

G.B. Khristiansen, USSR

1997-1999

Chair

J. Arafune, Japan

Vice-Chair

L. O’C. Drury, IrelandA

Secretary

T.K. Gaisser, USA

Members

R.J. Protheroe, Australia

M. Giller, Poland

O. Saavedra, Italy

R. Cowsik, India

P. Goret, France

G.B. Khristiansen, USSR

R. Schlickeiser, Germany

A. Turtelli

K-P. Wentzel, Netherlands

M.S. Potgieter, South Africa

2000-2002

Chair

T.K. Gaisser, USA

Vice-Chair

L. O’C. Drury, IrelandA

Secretary

R. Cowsik, India

Members

L. Ding, China

R.J. Protheroe, Australia

M. Giller, Poland

O. Saavedra, Italy

M. Simon, Germany

M.S. Potgieter, South Africa

Y. Totsuka, Japan

J. Valdes-Galicia, Mexico

O.G. Ryazhskaya, Poland

K-P. Wentzel, Netherlands

2003-2005

Chair

K-P. Wentzel, Netherlands

Vice-Chair

R.J. Protheroe, Australia

Secretary

M.S. Potgieter, South Africa

Members

S.C. Tonwar, India

L. Ding, China / Ma. YuQuian, China

M. Giller, Poland / E. Berezhko, Russia

O. Saavedra, Italy / P. Lipari, Italy

M. Simon, Germany / E. Fluekiger, Switzerland

Y. Totsuka, Japan / Y. Suzuki, Japan

J. Valdes-Galicia, Mexico / O.C. De Jager, South Africa

O.G. Ryazhskaya, Poland / M. Bednarek, Poland

K. Kudela, Slovakia

2006-2008

Chair

S. Swordy, USA

Vice-Chair

J. Valdes-Galicia, Mexico

Secretary

M. Simon, Germany

Members

M. Bednarek, Poland

E. Berezhko, Russia

O.C. De Jager, South Africa

E. Fluekiger, Switzerland

K. Kudela, Slovakia

P. Lipari, Italy

Ma. YuQuian, China

Y. Suzuki, Japan

S.C. Tonwar, India

2009-2011

Chair

S.C. Tonwar, India

Vice-Chair

E. Fluekiger, Switzerland

Secretary

P. Lipari, Italy

Members

W. Bednarek, Poland

E. Berezhko, Russia

D. Bertrand

B. Dawson, Australia

O.C. De Jager, South Africa

H. Hu, China

K-H. Kampert, Germany

J. Knapp, UK

K. Kudela, Slovakia

J.C. Sanabria, Columbia

S. Swordy, USA / R. Shellard, Brazil

Y. Suzuki, Japan

Associate Members

Sunil K. Gupta, India

*Needs to be verified.