Non-technical Papers of David J. Thouless relating to the University of Washington, 1990 Contains non-technical correspondence of David J. Thouless in relation to his time at the University of Washington. Previously stored within a hanging file, these papers have been placed into chronological order. Contains the following: Correspondence with attached calculations and notes from Yuval Gefen - dated June 1990. Further gathered correspondence between Thouless and Gefen concerning various subjects including Aharanov-Bohm oscillations and Quasiparticle excitations - dated July to October 1990. Correspondence to and from Ora Entin and Yuval Gefen concerning further calculations. Correspondence with manuscript calculations and notes from Technion - Israel Institute of Technology, Department of Physics - dated June 1990. Correspondence sent to Professor Elliott Lieb of Princeton University concerning flux phase problems - dated October to November 1990. Copied manuscript correspondence from Thouless concerning the achievements of Sir Michael Berry. With a newspaper clipping from the Seattle Post-Intelligencer relating to Thouless' Wolf Prize award, and a clipping of a newspaper column concerning his son Christopher Thouless. June 1990-November 1990