List of Famous people who died at 88

Yehuda Leib "Leibel" Groner was an American Hasidic Jewish teacher, scholar, and author. He is best known for having served as the personal secretary to Rabbi Menachem Mendel Schneerson, the seventh Lubavitcher Rebbe, for 44 years.

Douglas MacArthur II was an American diplomat. During his diplomatic career, he served as United States ambassador to Japan, Belgium, Austria, and Iran, as well as Assistant Secretary of State for Legislative Affairs.

Émile Girardeau was a French engineer, famous for being the first person to patent the original system of frequencies that is used and known today as radar. He was born in 1882 at Luçon, France.

Heinz Ludwig Fraenkel-Conrat was a biochemist, famous for his research on viruses.

Gabriel Marie Étienne Vanel was the Roman Catholic archbishop of the Archdiocese of Auch, France.

Cornell MacNeil was an American operatic baritone known for his exceptional voice and long career with the Metropolitan Opera, which spanned 642 performances in twenty-six roles. F. Paul Driscoll wrote in Opera News that he "was a great baritone in era of great baritones — Warren, Gobbi, Merrill, Milnes — and in the contemporary press, comparisons to his colleagues were frequent. But MacNeil's performances had singular musical richness, and moral and intellectual complexity that were his alone. MacNeil may have had rivals, but he had no equals."