Alexander Leaf, the Jackson Professor of Clinical Medicine, Emeritus, who led the preventive medicine department at Harvard Medical School after stepping down as chief of medicine at MGH, died of pneumonia Dec. 24 at the age of 92.
Seeley G. Mudd floors 2-6 reopening Jan. 29 at 8 a.m.
Building C floors 3-6 reopening Jan. 29 at 12 p.m.
All other floors remain closed at this time.
