| StorageSite | UCL Special Collections | 
| Level | Item | 
| Reference Number  | HALDANE/4/17/2/26 | 
| Title | Letters between John Lewis and J B S Haldane | 
| Date | Jul 1950 | 
| Description | Letters between John Lewis, Editor of the <i>Modern Quarterly</i>, and J B S Haldane in which Haldane generally approves Mario Bunge's article on "Heisenberg's principle as generalisation of the causal law", but suggests a physicist should read and correct it before publication is considered. Includes a handwritten draft of Haldane's reply to Lewis. | 
| Extent | 2 letters | 
| AccessStatus | Open | 
| AccessConditions | The papers are available subject to the usual conditions of access to Archives and Manuscripts material, after the completion of a Reader's Undertaking. | 
| Copyright | Modern Quarterly; Haldane | 
| PublnNote | No. |