Gertrude Charlotte Hart of Vineyard Haven and Royal Palm Beach, Fla., the beloved wife of James C. Hart and mother of Ronald Spiegelhoff, died on May 25 at the Martha’s Vineyard hospital. She was 89.

Gertrude was born June 7, 1926 in Plochingen, Germany.

She received a degree in math at Drexel University and worked at the New Jersey State Department of Transportation for many years before retiring in 1986.

Gertrude loved flowers and served as president of the Oleander Circle of the West Palm Beach Garden Club.

She is survived by her husband Jim, her son Ronald, her daughter in law Diane Spiegelhoff, and her granddaughter Dr. Lauren Spiegelhoff, who were all at her bedside when she died, and by her grandson Bryan of Vail, Colo.

In lieu of flowers, donations may be made in her name to the American Cancer Society,