Peierls spent two weeks as Visiting Fellow before going to the summer school at Varenna. Material comprises correspondence and arrangements.

Peierls gave three lectures on 'Momentum of light and sound in matter', published in Highlights of Condensed-Matter Theory, ed. M. Tosi (1985). Material comprises correspondence.

Commemorative meeting 'Wolfang Pauli and the physics of our time' on the 25th anniversary of the death of Pauli. Peierls spoke on 'Was lernt ich von Pauli?', to be published in a volume of writings by and about Pauli. Material comprises correspondence and the text of his lecture.

Brief correspondence.

Brief correspondence, arrangements and lecture topics.

Brief correspondence.

Correspondence, arrangements, personal correspondence, Peierls's 'Activity report', continuing correspondence with collaborators R. Schrieffer and F. Guinea about paper on 'Shape of solitons in classically forbidden states, "Lorentz expansion"', Physica Scripta, 33 (1986).

Peierls gave the H.L. Welsh Lectures in Physics. Material comprises correspondence, arrangements and topics.

Visit and talk in 'Distinguished Lecturer' series and also under contract as 'independent consultant'. Material comprises correspondence, invitations and schedule of engagements.

Correspondence which includes a little scientific correspondence.

Correspondence.

The symposium was organised by Boeringer Ingelheim International GmbH. Material comprises correspondence, information and publication of Proceedings (including short contributions by Peierls).

Peierls visited the Theoretical Physics Research Institute, Helsinki, 3-15 June, and attended the Symposium on 'The Foundations of Modern Physics: 50 years of the Einstein-Podolsky-Rosen Gedankenexperiment'. The visit was supported by the British Council. Material comprises correspondence and a copy of his report to the British Council, 1984-1985. In the course of his stay in Helsinki, Peierls made a short visit to Leningrad (see MS. 11619/54/J.60). Peierls served on the…

Visit to various institutes undertaken at the start of visit to Helsinki (see MS. 11619/54/J.59). Material comprises correspondence, invitations and arrangements.

This visit was undertaken between the two parts of the Niels Bohr centennial celebrations in Copenhagen (see MS. 11619/54/J.62-63). Correspondence includes discussion of 'The improbable war' and nuclear weapons. The centenary of Niels Bohr's birth was marked by events in many locations. Peierls attended those in Copenhagen and several in the UK (see MS. 11619/54/J.64-66).

Peierls gave a paper, 'Is there any logic in the arms race?' Material comprises correspondence, arrangements and participants.

This covered both physics and other fields of interest and included a Birthday Dinner on the anniversary day (7 October). Peierls spoke at the dinner, apparently in less than perfect acoustic conditions. Material comprises correspondence, arrangements, programme, draft of Peierls's after-dinner speech and also of his 'Recollections of Niels Bohr' (published in Centennial Volume, Harvard University Press 1985).

Correspondence.

Correspondence relating to his lecture on Bohr, 'Physics Open Lecture'.

Peierls lectured on Bohr, who had been elected a member of the society in 1914. Material comprises correspondence.