Born in Baltimore and raised in Highlandtown, he was the son of Peter and Bertha Woytowitz, who owned and operated Pete's Cafe at Foster and Highland avenues. He attended Sacred Heart of Jesus School and was a 1939 graduate of Mount St. Joseph's High School, where he played baseball and wrestled.
He earned a bachelor's degree in chemistry in 1943 from what is now Loyola University Maryland. He enlisted in the Navy during World War II and served until 1947. He earned a degree at the Georgetown University School of Dentistry, where he was later an instructor. He also served 20 years in the Army Reserves, leaving as a lieutenant colonel. He was a medical and dental commander.
Dr. Woytowitz opened a dental practice at Eastern and East avenues in the late 1940s. He retired 17 years ago.
He co-published a scientific paper on joint pain. He also worked to have a dental hygienist placed on the state's board of dental examiners.
He was active in the Baltimore City Dental Association and other professional societies. He was a medical consultant to Maryland Blue Shield.
Dr. Woytowitz was a past board member of St. Joseph's Medical Center and Good Samaritan Hospital.
He was interested in the Civil War. He was also an accomplished cook and baker. His recipe for a Chinese fire pot soup appeared in The Baltimore Sun.
A memorial service is planned for June.
Survivors include his wife of 20 years, the former Mary Frances Bartkowiak; three sons, Justin Woytowitz of Towson, John V. Woytowitz Jr. of Eldersburg and Jude Woytowitz of Dundalk; a daughter, Susan Woytowitz of Ocean Pines; three brothers, Peter Woytowitz of Baldwin, Joseph Woytowitz of Baltimore and Donald Woytowitz of Silver Spring; and four grandchildren.