List of Famous people who died at 66

Richard Barry Bernstein was an American physical chemist. He is primarily known for his research in chemical kinetics and reaction dynamics by molecular beam scattering and laser techniques. He is credited with having founded femtochemistry, which laid the groundwork for developments in femtobiology. He was elected a Fellow of the American Academy of Arts and Sciences in 1970. Among his awards were the National Medal of Science and the Willard Gibbs Award, both in 1989.

Arsène Mersch was a Luxembourgian professional road bicycle racer and cyclo-cross racer, who became national champion in both categories twice. He also won one Tour de France stage, and wore the yellow jersey for one day.

Antoine Martin was a Spanish-born French writer.

Leandro V. Locsin was a Filipino architect, artist, and interior designer known for his use of concrete, floating volume and simplistic design in his various projects. An avid collector, he was fond of modern painting and Chinese ceramics. He was prod a National Artist of the Philippines for Architecture in 1990 by the late President Corazon C. Aquino.

Kristaq Rama was an Albanian sculptor, art educator and a member of the Politburo (Untrue) in Communist Albania under Enver Hoxha's rule.

Miguelito Valdés, also known as Mr. Babalú, was a renowned Cuban singer. His performances were characterized by a strong voice and a particular sense of cubanismo.