352 
Professor J. F.W. Bell 
Royal Naval College 
Greenwich, England 
Mr. G.C. Braysher 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Dr. A. E. Brown 
Kings College 
Durham University 
Newcastle upon Tyne, England 
Mr. S. Byard 
Admiralty Research Laboratory 
Teddington, Middlesex, England 
Mr. I. J. Campbell 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Dr. H. Charnock 
SACIANT ASW Research Center 
La Spezia, Italy 
Mr. B. M. Cheney 
Society Alsacienne de Constructions Mecaniques 
69 Rue de Monceau 
Paris, France 
Mr. R.C.R. Chesters 
Marine Equipment Unit 
Plessey Limited 
Ilford, Essex, England 
Mr. W. B. Coffman 
Office of the U.S. Naval Attache 
London, England 
Mr. R. P. Coghlan 
Admiralty Research Laboratory 
Teddington, Middlesex, England 
Mr. G. L. Connon 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. M. J. Daintith 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Dr. F.T. Dietz 
Physics Department 
University of Rhode Island 
Kingston, Rhode Island, U.S.A. 
Dr. W.N. English 
Pacific Naval Laboratory 
Esquimalt, British Columbia, Canada 
Professor Dr. Maurizio Federici 
Viale Vittorio, 14 
Milan, Italy 
Mr. R.D. Finch 
Department of Physics 
Imperial College of Science and Technology 
London University 
London S. W. 7, England 
Dr. F.M.V. Flint 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Appendix 
Mr. J.H. Foxwell 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. A. Freedman 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. I. A. Gatenby 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. W. K. Grimley 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. Harold Haegermark 
Stockholm, Sweden 
Dr. G. K. Hartman 
Naval Ordnance Laboratory 
White Oak, Silver Spring, Maryland, U.S.A. 
Mr. A. Hobson 
Admiralty Research Laboratory 
Teddington, Middlesex, England 
Mr. G. P. Horton 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. S.D. Hawkins 
Department of Physics 
Imperial College of Science and Technology 
London University 
London S. W. 7, England 
Mr. Hub 
Royal Naval College 
Greenwich, England 
Mr, L. Kay 
Birmingham University 
Birmingham, Warwickshire, England 
Mr, A. L. Kendrick 
Admiralty Research Laboratory 
Teddington, Middlesex, England 
Dr. T.S. Korn 
Faculte des Sciences Appliquees 
Ecole Polytechnique Universite Libre de Bruxelles 
Ave. F.D. Roosevelt 
50, Bruxelles, Belgium 
Mr. R. L. Laval 
SACIANT ASW Research Center 
La Spezia, Italy 
Mr. D.R. Leah 
Admiralty 
Bath, Somerset, England 
Dr. E. Rune Lindgren 
Tekniska Hogskolan 
Stockholm, Sweden : 
(Visiting Professor, Johns Hopkins University, 
Baltimore, Maryland, U.S.A.) 
Mr. D.A,. Linkens 
Marine Equipment Unit 
Plessey Limited 
Ilford, Essex, England 
