… and dark blue hood.  On this day, there was celebration - and some solemnity - for Dr. Alex F. Johnson because this would be his last opportunity to ever wear this wardrobe. After 14 years at the MGH Institute of Health Professions, the Provost and Vice President for Academic Affairs is retiring.  Well-wishers greeted Johnson in the holding room … and dark blue hood.  On this day, there was celebration - and some solemnity - for Dr. Alex F. Johnson because this would be his last opportunity to ever wear this …