Beck was an old friend from Leipzig days, who later settled in São Paolo.

Berg was a German physicist who came to England in 1933 working for Kodak (private information from Peierls 1995).

Miscellaneous memorabilia relating to Bonnevay.

Comprising recollections of colleagues and events.

Includes correspondence with Ulla after the death of Otto Robert.

Franz Jacobsen was one of Peierls's oldest friends, and a distant cousin, from Berlin days. He recounts his strange career in Bird of Passage, pp. 13-15. Comprises correspondence with Jacobsen from Thailand, 1953, and Heidelberg, 1974-1986. Includes brief correspondence 1986 with Ulrich Jacobsohn (son) on the deaths of his father in July 1986, and of Genia Peierls.

She was the widowed daughter of Franz Jacobsohn, who died in her house in Brussels. She shared Peierls's love of travel and the exchanges of letters and cards reflect this.

Juliusberg was a neighbour of the Peierls family in Oberschöneweide and mother of a classmate.

Krause was a retired school teacher from Oberschöneweide. The correspondence is frequent and detailed, with news of old friends, family, school days etc. Includes photographs of Peierls's mother's grave and of the Realgymnasium which he attended, and also letter from Lotte Augustin, daughter of the Peierls family's gardener. Peierls visited Krause in 1990 but Lotte had died before his visit. They corresponded regularly to the last; her last card is dated August 1995.

Includes news of colleagues and friends in the University of Sydney.

The Rosenblums were Australian friends. Letters include exchanges of ideas on politics, implications of science, 20th century history and personal news.