List of Famous people who are 89

Donald Lawson Turcotte is an American geophysicist, most famous for his work on the boundary layer theory of mantle convection as part of the theory of plate tectonics. He works at the University of California, Davis.

Donald D. Brown is a professor at the Carnegie Institution for Science and an adjunct professor at Johns Hopkins University. In 1956, he received an M.D. and an M.S. in biochemistry from the University of Chicago Medical School. He passed the State Medical Board Examination of Ohio that same year.

Katherine Womeldorf Paterson is a Chinese-born American writer best known for children's novels, including Bridge to Terabithia. For four different books published 1975-1980, she won two Newbery Medals and two National Book Awards. She is one of four people to win the two major international awards; for "lasting contribution to children's literature" she won the biennial Hans Christian Andersen Award for Writing in 1998 and for her career contribution to "children's and young adult literature in the broadest sense" she won the Astrid Lindgren Memorial Award from the Swedish Arts Council in 2006, the biggest monetary prize in children's literature. Also for her body of work she was awarded the NSK Neustadt Prize for Children's Literature in 2007 and the Laura Ingalls Wilder Medal from the American Library Association in 2013. She was the second U.S. National Ambassador for Young People's Literature, serving 2010 and 2011.

Joe Morgenstern is an American film critic, journalist, and former screenwriter who contributes to The Wall Street Journal. He has won a Pulitzer Prize for Criticism.

Dalma Mádl was the First Lady of Hungary from 2000 to 2005 and the widow of former President Ferenc Mádl.