Robert Charles (Bob) Deitrich of Chilmark died peacefully at his home on Thursday Sept. 21. He was 90.

Born Oct. 29, 1926 in Johnstown, Pa., Bob grew up in Rahway, N.J. and lived in Park Ridge, N.J. before retiring to Chilmark in 1986. He proudly served his country in the U.S. Navy aboard the USS Polana and USS Providence during World War II, earning several medals including the American Theatre, Victory, and Asiatic-Pacific Medals. After the war, he attended secondary school, where he learned the trades of air conditioning, heating, electric, and welding. He worked as a senior laboratory technician for the Linde Division of Union Carbide Corporation for 30 years in Newark, N.J. and Tarrytown, N.Y. He was a member of the Chilmark Community Church.

He is survived by his wife of 58 years, Margaret (Ann) (nee Kammerer). He was the devoted father of Charles Deitrich and his wife, Cathy, of Newburgh, N.Y. and Rebecca Overgaard of Park Ridge, N.J. He was the loving grandfather of Alexandra Overgaard Nunez and her husband, Sergio, of Middletown, Del. and Emily Overgaard of Park Ridge, N.J., great-grandfather to Julian and Angelina Nunez, and uncle to many nieces and nephews.

He was preceded in death by his father, Charles A. Deitrich, his mother, Elva Berkebile Deitrich, and his sister, Jean Beckhusen.

A memorial service will be held on Saturday, Oct. 21 at 11 a.m. at the Chilmark Community Church. Interment at Abel’s Hill Cemetery will be private. Memorial contributions to the Martha’s Vineyard Hospital, P.O. Box 1477, Oak Bluffs, MA 02557 would be appreciated.