Wyckoff was based at the Laboratory of Physical Biology, National Institute of Health, Bethesda, Maryland. He subsequently became Science Attaché at the American Embassy in London. Necrosis virus crystals; Hodgkin's visa difficulties (1953).

Yablochkov was an Africanist who worked at the Institute of African Studies, Moscow. Hodgkin's husband Thomas first met him in Ghana, 1960-4. Visits to the UK.

Zahn was based at the Deutches Wollforschungsinstitut, Aachen.

Zeidan studied and taught chemistry at the University of Khartoum. Hodgkin sought to help him take up some useful research, preferably in the study of pollution, which would fit him better for an academic career in other universities. Includes recommendations.

Includes recommendation, CV, proposed research project.

Waters was based at the Chemistry Department, University of Auckland. He spent a sabbatical year in Oxford, 1964-5, when he collaborated with Hodgkin in the study of a vitamin B12 derivative. He returned to Oxford for the second half of 1971. Over the years he sent a number of postdoctoral students to work in Hodgkin's laboratory. Correspondence relates to research and career. Includes recommendations.

Correspondence relates to research and career. Includes recommendations.

Watson came from the University of Western Australia, Nedlands, to do postdoctoral research in Hodgkin's laboratory. He subsequently took up an appointment at the University of Copenhagen. Includes recommendations.

White was based at the Chemistry Department, Fordham University, New York. Sabbatical in Oxford.

Wiebenga was based at the University of Groningen. Visits.

Willis was based at the Atomic Energy Research Establishment, Harwell. Correspondence and papers, 1973-4, re meeting on Neutrons and Biology at the Rutherford Laboratory, 18 Apr. 1974. Hodgkin talked on 'Three dimensional crystallography'.

Wilson was based at University College Cardiff and the University of Birmingham. Includes recommendation.

Wife of A.J.C. Wilson.

Woodward was based at the Department of Chemistry, Harvard. He was awarded the 1965 Nobel Prize in Chemistry for outstanding achievements in organic synthesis. 1956 item is letter from Hodgkin re vitamin B12. Includes photograph of Woodward 1976 and Hodgkin's 'Memories of R.B. Woodward'. He died in 1979.

Woolfson was Professor of Physics at the University of York.

Wrinch was the creator of the cyclol theory of peptide structures. She moved to the USA before the Second World War and was affiliated with Smith College, Massachusetts for many years.

Symposium in honour of Wrinch's memoir, obituaries, biographical information, recollections.