Abstract :
A picture of some aspects of Hiroomi Umezawa’s research activity is sketched. The influences of Rudolf Haag and Werner Heisenberg on Umezawa’s research and intellectual adventure is commented upon by discussing a publication by Susumu Kamefuchi and the author’s direct experience as one of Umezawa’s Ph.D. students and collaborators
Keywords :
Umezawa , thermo field dynamics , dissipative quantum model of brain , macroscopic quantum systems , physics of living matter
