On March 13, 1851, Henry Thomas Dering wrote from Connecticut to his older sister, Frances Mary Dering, in Sag Harbor, inquiring about someone named Hagar. But who was Hagar?

Kenneth Jacob, who had a career in the Air Force and later owned a television repair business in Montauk, died on Aug. 10. He was 91.

Frank Schwitter, an executive with the Arthur Andersen accounting firm and an Air Force veteran, died on Aug. 5 at the Bluff Road, Amagansett, house he owned for 50 years. He was 91.

Barrett Whitman, who as a Grumman engineer led structural analysis for the Apollo lunar module that landed on the moon in 1969, died on Nov. 15. A Montauk resident, he was 95.