List of Famous people who died at 99

Robert Fox Bacher was an American nuclear physicist and one of the leaders of the Manhattan Project. Born in Loudonville, Ohio, Bacher obtained his undergraduate degree and doctorate from the University of Michigan, writing his 1930 doctoral thesis under the supervision of Samuel Goudsmit on the Zeeman effect of the hyperfine structure of atomic levels. After graduate work at the California Institute of Technology (Caltech) and the Massachusetts Institute of Technology (MIT), he accepted a job at Columbia University. In 1935 he accepted an offer from Hans Bethe to work with him at Cornell University in Ithaca, New York, It was there that Bacher collaborated with Bethe on his book Nuclear Physics. A: Stationary States of Nuclei (1936), the first of three books that would become known as the "Bethe Bible".

Ersilio Tonini was an Italian Cardinal of the Catholic Church. He served as Archbishop of Ravenna-Cervia from 1975 to 1990, and was elevated to the cardinalate in 1994. When Cardinal Paul Augustin Mayer died on 30 April 2010, Cardinal Tonini became the oldest living cardinal. He died on 28 July 2013, a week after his 99th birthday.

Horace Richard Crane was an American physicist, the inventor of the Race Track Synchrotron, a recipient of President Ronald Reagan's National Medal of Science "for the first measurement of the magnetic moment and spin of free electrons and positrons". He was also noted for proving the existence of neutrinos. The National Academy of Sciences called Crane "an extraordinary physicist". The University of Michigan called him "one of the most distinguished experimental physicists of the 20th century". Crane was a chairman of the department of physics and a professor of physics at the University of Michigan, a member of the National Academy of Sciences.

Gabrielle Dorziat (1880–1979) was a French stage and film actress. Dorziat was a fashion trend setter in Paris and helped popularize the designs of Coco Chanel. The Théâtre Gabrielle-Dorziat in Épernay, France is named for her.