We use at the University of California, San Diego campus "Research
Professor" for recalled faculty following retirement.  Thought I'd add this
one to your summary.

Pat Jordan
Marine Physical Laboratory
Scripps Institution of Oceanography
University of California, San Diego
291 Rosecrans Street
San Diego, CA   92106

619-534-1802
Fax:  619-553-0764
email:  xxxxxx@ucsd.edu