Prof. Olli Lehto (Helsinki), former member of the IMU Executive Committee and IMU Secretary from 1983 to 1990, is currently writing a book about the history of IMU. Its appearance is expected before 1998 and will be announced in this server. Prof. Lehto kindly provided the list of the Executive Committees of the current International Mathematical Union.
| President | Vice-Presidents | Secretary | Members | Past President | |
|---|---|---|---|---|---|
| 1950-52 Interim Executive Committee | - | - | B. Jessen | E. Bompiani M. Brelot W.V.D. Hodge D.D. Kosambi K. Kuratowski M.H. Stone | - |
| 1952-54 | M.H. Stone | E. Borel E. Kamke | E. Bompiani | W.V.D. Hodge S. Iyanaga B. Jessen | - |
| 1955-58 | H. Hopf | A. Denjoy W.V.D. Hodge | E. Bompiani (1955-56) B. Eckmann (1956-58) | K. Chandrasekharan J.F. Koksma S. MacLane | - |
| 1959-62: | R. Nevanlinna | P. Alexandrov M. Morse | B. Eckmann (1959-61) K. Chandrasekharan (1961-62) | K. Chandrasekharan (1959-61) C. Choquet H. Kneser J.F. Koksma K. Kuratowski | H. Hopf |
| 1963-66: | G. de Rham | H. Cartan K. Kuratowski | K. Chandrasekharan | J.C. Burkill F. Hirzebruch M.A. Lavrentiev D. Montgomery B. Segre | R. Nevanlinna |
| 1967-70: | H. Cartan | M.A. Lavrentiev D. Montgomery | O. Frostman | M.F. Atiyah K. Chandrasekharan G. Hajós E. Vesentini K. Yoshida | G. de Rham |
| 1971-74: | K. Chandrasekharan | A.A. Albert L.S. Pontrjagin | O. Frostman | M.F. Atiyah Y. Kawada N.H. Kuiper M. Nicolescu E. Vesentini | H. Cartan |
| 1975-78: | D. Montgomery | J.W.S. Cassels M. Nicolescu (1975-76) G. Vranceanu (1976-78) | J.L. Lions | E. Bombieri M. Kneser O. Lehto M. Nagata L.S. Pontrjagin | K. Chandrasekharan |
| 1979-82: | L. Carleson | M. Nagata J.V. Prohorov | J.L. Lions | E. Bombieri J.W.S. Cassels M. Kneser O. Lehto C. Olech | D. Montgomery |
| 1983-86: | J. Moser | L.D. Faddeev J-P. Serre | O. Lehto | S. Mizohata G.D. Mostow M.S. Narasimhan C. Olech J. Palis Jr. | L. Carleson |
| 1987-90: | L.D. Faddeev | W. Feit L. Hörmander | O. Lehto | J. Coates H. Komatsu L. Lovász J. Palis Jr. C.S. Seshadri | J. Moser |
| 1991-94: | J.-L. Lions | J. Coates D. Mumford | J. Palis Jr. | J. Arthur A. Dold H. Komatsu L. Lovász E. Zehnder | L.D. Faddeev |
| 1995-98: | D. Mumford | V. Arnold A. Dold | J. Palis Jr. | J. Arthur S. Donaldson B. Engquist S. Mori K.R. Parthasarathy | J.-L. Lions |