For those interested - looks like an interesting read -
A skilful attempt to understand Nash’s long breakdown and recovery (?partial or complete) was made by our late Honorary Life Member of ISPS, Murray Jackson, a psychoanalyst, and that this has been published in a book of Murray’s work on Creativity and Psychotic States in Exceptional People (edited by Jeanne Magagna who was present for part of the recent ISPS NY 2015 conference).