Vignette StoryServer 6.0 Thu Jan 12 10:38:51 2012 Crohn's Disease Home Crohn's Disease Journey Could You Have Crohn's Disease?

LEAD: Harrison Merrill Davis Jr., headmaster of several preparatory schools during his long career as an educator, died of complications of Parkinson's Disease Monday at the Montgomery (N.Y.) Nursing Home.

He was 80 years old and lived in Cornwall-on-Hudson, N.Y. Harrison Merrill Davis Jr., headmaster of several preparatory schools during his long career as an educator, died of complications of Parkinson's Disease Monday at the Montgomery (N.Y.) Nursing Home.