List of Famous people who are 91

Claude Véga was a French impressionist, humourist, and actor.

Maire-Ilon Wikland is an Estonian-born Swedish artist and illustrator.

Hugh O'Neill McDevitt ForMemRS is a professor of microbiology and immunology at Stanford University School of Medicine.

Jerome Isaac Friedman is an American physicist. He is Institute Professor and Professor of Physics, Emeritus, at the Massachusetts Institute of Technology. He won the 1990 Nobel Prize in Physics along with Henry Kendall and Richard Taylor, for work showing an internal structure for protons later known to be quarks. Friedman sits on the Board of Sponsors of the Bulletin of the Atomic Scientists.

Kurt Flasch is a German philosopher, who works mainly as a historian of medieval thought and of late antiquity. Flasch was professor at the Ruhr University Bochum. He was / is a member of several German and international Academies. In 2000, he was awarded the Sigmund Freud Prize by the Deutsche Akademie für Sprache und Dichtung.

Syun-Ichi Akasofu is the founding director of the International Arctic Research Center of the University of Alaska Fairbanks (UAF), serving in that position from the center's establishment in 1998 until January 2007. Previously he had been director of the university's Geophysical Institute from 1986.

Ezio Frigerio is an Italian costume designer and art director.

Klaus Wagenbach was a German author and publisher who was the founder of Wagenbach Verlag.