John Henry MacDonald ’33

Jack died Dec. 6, 2007, from heart complications and pneumonia. He was 95.

Born in Harrisburg, Pa., he graduated from the local high school at age 16. At Princeton, he majored in chemical engineering and was on the photographic board of The Daily Princetonian.

After Princeton, Jack worked for Merck & Co. on the development of synthetic Vitamin B-1 and other drugs useful to the war effort. He stayed at Merck for 20 years, including a tour as assistant plant manager at its Danville, Pa., plant. After that he worked for the Nepera Chemical Co. In 1957, he became plant manager for S.B. Penick in Lyndhurst, N.J., and he later worked on companywide projects for them, such as health, safety, and environmental protection. He retired in 1977.

In 1999, Jack moved from Monroe, N.Y., to Loveland, Ohio, where he lived with his daughter, Anne, and her husband.

Jack was married to Helen Warga, who died in 1995. He also was predeceased by two sisters, Doris Blasco and Mary Jane Lynch. He is survived by his three children, Anne, John ’66, and Martha; nine grandchildren; and six great-grandchildren.

Jack recently had acted as the class agent for Annual Giving.