I must confess that, at that time, I had absolutely no knowledge of the slowness of the relaxation processes in the ground state, processes which take place in collisions with the wall or with the molecules of a foreign gas.
I think of guitar players in terms of doctors: you have the doctor for your heart, the cardiologist, then one that works on your feet, your leg. But I believe George Benson is the one that plays all over. To me, he would be the M.D. of them all.

