More Enlightening - supplementary letters 1946-1960

An online selection of the more significant letters to have emerged since the publication of Enlightening: Letters 1946–1960 (London, 2009, Chatto and Windus; London, 2011: Pimlico)

• First posted 30 January 2019
• Latest updated (i.e. this edition) 13 June 2025

The four published volumes of Berlin's letters focus on the outgoing letters, i.e. those written by him. Where we have the other side of the correspondence, and have been able to secure the necessary copyright permission, the online supplements will now also include a selection of the more important letters written to Berlin.

• This update includes two letters from IB to his friend and colleague, the philosopher A. J. 'Freddie' Ayer, and one letter from Ayer to IB, June 1946.

To see this Supplement click 'View Document' below