Scientific Correspondence between David J. Thouless and Others, 1986-1988 Contains the following correspondence: Correspondence from Dr. J. Reiss concerning charge density and corrections to Thouless' work - dated 14 January 1986. Correspondence to and from editor Gene L. Wells of the Physical Review concerning 'Spin glass on a Bethe lattice' - dated 27 January to 7 February 1986. Copy of correspondence to Drs. L. and J. Chayes and Dr. J. Sethan concerning localization and implicit functions - dated 6 March 1986. Copy of 'Two Distinct Research Climates in Physics at UW' by William Dougherty with note "David - Your talk in 528 made an impression on many students - This one stated it most clearly" - dated 1986. Correspondence to 'Cathy' concerning perturbation and solid He3 - dated 9 July 1986. Correspondence to and from 'Jennifer and Lincoln' concerning Thouless' work on variational methods and ferromagnetism - dated 6 August to 5 May 1987. Correspondence to and from Rajiv Singh concerning Bethe lattice results and the Almeida-Thouless line - dated October 1986. Correspondence from Peruggi concerning Thouless' paper 'Spin glass in a Bethe lattice' - dated 12 February 1987. Correspondence from Catherine Kallin concerning a manuscript on the sign of the exhange energy in the FQHE - dated 20 February 1987. Correspondence from J.E. Avron and R. Seiler concerning Thouless and Niu's contribution to the Hall problem in Physics Review - dated 9 March 1987. Correspondence from Peter Mottishaw concerning 'Spin glass on the Bethe lattice' - dated 17 July 1987. Correspondence to and from Professor Roger Haydock concerning an earlier paper of Thouless' 'Journal of Noncrystalline Solids' - dated July 1987. Correspondence from Martin Zirnbauer concerning a paper on localization theory - dated 19 August 1987. Correspondence to and from Professor Martin Luban concerning preprinted work - dated October 1987. Correspondence from Dr. Shmuel Fishman concerning detailed work on Thouless' pseudorandom systems - dated 20 November 1987. Correspondence from Alexander L. Fetter concerning book on mechanics with Dirk Walecka - dated 30 December 1987. Correspondence to and from Professor Edmund Brown concerning Wannier functions and Bloch electrons in magnetic fields - dated 8 March to 4 May 1988. Correspondence to and from Professor Tom Spencer concerning slowly varying periods - dated 29 July to 3 August 1988. January 1986-August 1988