Henry Scott, Frank Herbstein.

Alajos Kalman, Vivian Cody.

Colin Grainger.

V. I. Simonov, Jerry Karle, Theo Hahn, Mario Nardelli, Alajos Kálmán, Kaarle Kurki-Suonio, You-qi Tang, Asbjørn Hordvik and André Authier. St George's College, University of Western Australia.

Anne Cawley, Kaarle Kurki-Suonio and Jim King. St George's College, University of Western Australia.

V. I. Simonov, You-qi Tang. St George's College, University of Western Australia.

Jerry Karle, Theo Hahn and Mario Nardelli. St George's College, University of Western Australia.

Jim King. St George's College, University of Western Australia.

Jimpei Harada (left) cycling in the rain at Rottnest Island prior to the 1987 Congress in Perth.

Alajos Kálmán, Mario Nardelli and Philip Coppens.

Kaarle Kurki-Suonio and Jim King.

Sue Barnes, Asbjørn Hordvik.

Ted Maslen and Jimpei Harada.

Alajos Kálmán and Yuri Struchkov.

Peter Strickland, Jerry Karle and V. I. Simonov.

Congress participants.

Mrs Orton, Mrs Cox, Professor Ernest Cox, John Rollett, en route on the Copenhagen ferry.

Concert Hall. 'The Conference was opened on June 27 in the Concert Hall in Kongsgatan by the Swedish Miinister of Education ... the King of Sweden paying us the honour of attending.'

Scientific meetings were held in Nertullscatan

R. Westrik, Hans Stadler, John Rollett. On board the A. F. 'Chapman'.

Pauline Cowan, John Rollett, Rovert Rundle. On the waterfront at lunch time, in view of the City Hall.

Lyle Jensen, John Rollett, Hans Stadler.

On 29 June the sessions were held at Uppsala University, where the laboratories were visited; lunch was served, tea in the University and dinner in the Castle.

'In the morning we made a tour of laboratories. One of the Physics buildings. The debris is from the construction of the cyclotron chamber.'

?, John Rollett, Durward Cruickshank, Rosalind Franklin. In the park below Uppsala Castle.

Audrey Douglas.

Hans Peter Stadler and Pauline Cowan ascend the mound.

Hans Stadler, Durward Cruickshank.

Dinner menu, Uppsala Castle.

State Banqueting Hall, Uppsala Castle.

Front left: Fredrik William Houlder Zachariasen. Right: Jane and Henry Lipson. 'On the Sunday the Conference went by steamer to Eriks Vik for a picnic - a journey of 20 miles into the Stockholm Archipelago.'

Foreground: Audrey and Sandy Douglas, ?, the Taylors. Rear, standing (left to right): David Sayre, June Broomhead, Bill Cochran.

G. Donnay, J. D. H. Donnay.

Beryl Oughton, A. T. Jensen, ?.

David Shoemaker.

Left: Rosalind Franklin, Beryl Oughton, David Shoemaker. Front right: ? Donohoe, Kenneth Hedberg.

?, Hans Stadler, Mrs Taylor, ?, Audrey Douglas, John Rollett, Sandy Douglas.

Hans Stadler and the Taylors.

June Broomhead, Pauline Cowan, Bill Cochran.

A. L. Patterson, ? Hughes, W. N. Lipscomb.

Front: ? Hughes, W. N. Lipscomb.

Delegates at the First Congress and General Assembly of the IUCr, Harvard, USA. (From the collection of R. C. Evans.)

First row: C. C. Murdock, A. D. Booth, C. R. Berry, D. Wrinch, T. Richards, J. D. Bernal, N. W. Buerger, I. Fankuchen, B. Warren, H. Mark, C. V. Raman, M. J. Buerger, C. Frondel, A. L. Patterson, P. P. Ewald, R. C. Evans, W. H. Taylor, Mrs R. J. Bailly, R. J. Bailly, G. Hamburger, D. McLachlan Jr, D. C. Hodgkin, S. C. Abrahams, H. M. Powell, K. Lonsdale. Second row: E. A. Wood, W. L. Roth, E. W. Hughes, R. L. Griffith, M. L. Huggins, B. W. Low, H. P. Rooksby, R. Brill, W. O. Statton, R. D. Burbank, H. T. Evans, L. W. Strock, G. Switzer, H. S. Kaufman, G. Goldschmidt, H. Lipson, A. N. Winchell, S. B. Levin, R. O. Jackel, E. Grison, A. Frueh, W. Parrish. Third row: J. D. McCullough, H. P. Klug, W. H. Zachariasen, M. C. Bloom, R. Pepinsky, L. Pepinsky, D. Fankuchen, R. C. L. Mooney, L. E. Lynd, H. Sigurdson, A. de Brettville Jr, O. R. Trautz, C. B. Slawson, D. J. Fisher, D. McConnell, I. Weil, W. J. McCaughey, A. Van Valkenberg Jr, H. F. McMurdie, H. W. Rinn, A. W. Kenney, S. S. Sidhu, C. E. Black, K. N. Trueblood. Fourth row: A. G. Brook, D. Ellis, D. A. Vaughan, O. N. Frey, L. Thomassen, L. H. Germer, A. M. Dowse, W. P. Mason, J. L. Abbott, C. G. Whinfrey, H. W. Dunn, H. W. Keilholtz, W. L. Kehl, M. E. Straumanis, R. A. Van Nordstrand, M. L. Fuller, W. F. Bradley, L. Alexander, E. J. Ritchie, L. Schulz, G. S. Barrett. Fifth row: J. G. White, P. Raesz, J. T. Edsall, M. Semchyshen, E. S. Greiner, G. D. West, H. Ekstein, W. L. Bond, M. Collins, H. F. Beeghly, D. Sayre, B. C. Frazer, C. W. Wolfe, R. B. Ferguson, R. J. Arnott, L. G. Berry, D. F. Clifton, J. M. Cowley, H. S. Yoder, N. F. M. Henry, George Vaux. Sixth row: S. Beatty, E. Kummer, M. E. Merchant, A. McIntosh, F. W. Matthews, M. A. Peacock, C. S. Hurlbut Jr, C. Palache, W. H. Barnes, B. H. Billings, H. N. Campbell, A. H. Ehrhardt, A. E. Smith, H. M. Long Jr, W. J. Roberts, P. F. Eiland Jr, R. V. Gaines, A. F. Wells, F. A. Bannister. Seventh row: G. L. Clark, R. W. G. Wyckoff, R. C. Taylor, H. Hughes, Z. W. Wilchinsky, J. W. Fitzwilliam, M. A. Bredig, C. G. Shull, A. C. Eckert, M. L. Jolley, M. L. Kronberg, G. Pish, J. H. Wilson, G. I. Faust, P. A. Bergmann, T. H. von Laue, M. E. Bergmann, B. M. Siegel, F. C. Brenner, S. H. Blank, R. S. Schwartz, R. Ward, A. J. C. Wilson. S. Schwartz, R. Ward, A. J. C. Wilson.

P. Debye.

A. F. Wells, I. Fankuchen, ?.

F. A. Bannister.

M. J. Buerger, A. F. Wells.

W. H. Taylor.