Witt suffered a heart attack and died Oct. 3, 2005, in Bethlehem, Pa.
At Princeton he majored in psychology, graduating summa cum laude and as a member of Phi Beta Kappa and Sigma Xi. Immediately, he earned a Ph.D. in psychology at Princeton. He next earned a second Ph.D., in clinical psychology, at Catholic University. He was a member of Tiger Inn. Bob Keeley, a roommate, was a special longtime friend and confidant.
Beginning at Armstrong Industries, Witt developed expertise in consulting and applying opinion surveying to marketing strategy. As an individual consultant, his major corporate clients included General Motors, United Parcel, and Marriott.
In 1968 he suffered personal tragedy when his home burned and he lost his 11-year-old daughter, Susie. By 1985 he confronted his alcoholism and switched vocations. During the past 20 years he conducted a psychological counseling practice in the Lehigh Valley, focusing on patients with addiction problems. Most of his time was spent helping fellow alcoholics. His hobby of painting led to several one-man shows.
Twice divorced, he is survived by his children Peter, Debbie Mercer, and Andrea Tran; eight grandchildren; and his brothers, Ronald '50 and Paul. His son Michael predeceased him.