List of Famous people who are 91

Michel Dupuy, is a Canadian diplomat, journalist, academic and politician. Born in Paris, France, his father was Pierre Dupuy who was also a Canadian diplomat.

Gérard Grandval was a French architect. He received the Prix de Rome and was a Knight of the Ordre des Arts et des Lettres and notably designed the Choux de Créteil.

John Hopkin Nuckolls is an American physicist who worked his entire career at the Lawrence Livermore National Laboratory. He is best known for the development of inertial confinement fusion, which is a major branch of fusion power research to this day. He was also the lab's director from 1988 until 1994, when he resigned to become an Associate Director at Large. He was awarded the Ernest Orlando Lawrence Award in 1969, the James Clerk Maxwell Prize for Plasma Physics in 1981 and the Edward Teller Award in 1991.

Hans-Joachim Gelberg was a German writer and publisher of children's books, who received several awards.

Lotte Ledl is an Austrian actress.

Roland Bertin is a French stage and film actor. He has appeared in at least 100 films and television shows since 1970.

Henri Boris Kagan is currently an Emeritus Professor at the Université Paris-Sud in France. He is widely recognized as a pioneer in the field of asymmetric catalysis. His discoveries have had far-reaching impacts on the pharmaceutical industry.