*Whooping-cough Immunization Committee: Sir Samuel Bedson, F.R.S. (chairman), Dr. P. Armitage, Dr. W. C. Cockburn, Dr. E. T. Conybeare, Professor R. Cruickshank, Professor A. W. Downie, F.R.S., Professor A. Bradford Hill, F.R.S., Dr. J. O. Irwin, Dr. Pearl Kendrick, Dr. J. Knowelden, Professor J. W. McLeod, F.R.S., Dr. H. J. Parish, Mr. A. F. B. Standfast, Dr. G. S. Wilson, Dr. J. Ungar, Dr. D. G. Evans (secretary).
Medical Officers of Health: Dr. J. Greenwood Wilson and Dr. W. Powell Phillips, Cardiff; Dr. I. G. Davies, Leeds; Dr. A. W. Forrest, Leyton; Dr. C. Metcalfe Brown, Manchester; Dr. A. C. T. Perkins, Middlesex; Dr. J. F. Warin, Oxford; Dr. G. Chesney and Dr. J. Hutton, Poole; Dr. G. Hamilton Hogben, Tottenham; Dr. A. T. W. Powell, Walthamstow; Dr. E. Grundy, Wembley.
Field Workers: Dr. I. A. Bolz and Miss M. R. Elliott, Cardiff; Dr. G. R. Baxter and Mrs. E. R. Beard, Leeds; Dr. A. R. Fox and Miss R. M. Edward, Leyton; Dr. B. J. Griffiths and Miss O. I. Howell, Manchester; Dr. Beryl Anscombe, Dr. A. M.-M. Payne, and Miss C. H. Rudkin, Oxford; Dr. Joan Moignard, Miss M. D. Smith, and Miss W. E. Bennett, Poole; Dr. A. T. W. Powell and Mrs. H. M. Johnston, Walthamstow; Dr. J. C. McDonald, Miss M. M. Wall, and Miss E. E. Wilden, Tottenham and Wembley.
Laboratory diagnostic tests were made by: Dr. G. J. G. King and Mr. E. C. Young, Bournemouth; Dr. J. Marks and Professor Scott Thomson, Cardiff; Dr. H. D. Holt, Mr. G. V. Heimer, and Mr. J. Hollingsworth, Colindale; Professor J. W. McLeod, F.R.S., Dr. D. E. Nicholson, Dr. G. C. Turner, and Miss B. B. Waller, Leeds; Dr. W. W. Walther and Mr. K. R. Podger, Leyton; Dr. Mary O. Adams and Mr. A. G. Harbour, Manchester; Dr. W. H. H. Jebb, Oxford; Dr. F. Marsh, Mr. E. F. Browning, Mr. P. Lovell, and Mr. G. Hoy, Walthamstow.
Laboratory tests for antigenic potency were made by: Mr. A. F. B. Standfast, Lister Institute; Dr. Margaret Pittman, U.S. National Institutes of Health, Bethesda; Dr. Pearl Kendrick and Dr. Grace Eldering, Michigan Department of Health; Dr. A. E. Francis and Mr. H. Proom, Wellcome Research Laboratories; Dr. D. G. Evans and Dr. F. T. Perkins, M.R.C. Laboratories; Hampstead; Dr. J. Ungar, Glaxo Research Laboratories, Dr. Mary O. Adams, Manchester; Dr. Naomi Datta, Colindale.
The field trials were put in train and supervised by Dr. W. C. Cockburn.
The analysis of the field and laboratory results were made and the report prepared by Dr. P. Armitage, Dr. W. C. Cockburn, Dr. D. G. Evans, Dr. J. O. Irwin, Dr. J. Knowelden, and Mr. A. F. B. Standfast.
