List of Famous people who died at 93

Roberta Elizabeth Marshall Cowell was a British racing driver and Second World War fighter pilot. She was the first known British trans woman to undergo sex reassignment surgery.

Roy Jay Glauber was an American theoretical physicist. He was the Mallinckrodt Professor of Physics at Harvard University and Adjunct Professor of Optical Sciences at the University of Arizona. Born in New York City, he was awarded one half of the 2005 Nobel Prize in Physics "for his contribution to the quantum theory of optical coherence", with the other half shared by John L. Hall and Theodor W. Hänsch. In this work, published in 1963, he created a model for photodetection and explained the fundamental characteristics of different types of light, such as laser light and light from light bulbs. His theories are widely used in the field of quantum optics. In statistical physics he pioneered the study of the dynamics of first-order phase transitions, since he first defined and investigated the stochastic dynamics of an Ising model in a largely influential paper published in 1963. He served on the National Advisory Board of the Center for Arms Control and Non-Proliferation, the research arms of Council for a Livable World.

Infanta Beatriz of Spain, Princess of Civitella-Cesi was a daughter of King Alfonso XIII of Spain and Victoria Eugenie of Battenberg, wife of Alessandro Torlonia, 5th Prince di Civitella-Cesi. She was a paternal aunt of King Juan Carlos I.

Patricia Canning Todd was an American tennis player who had her best results just after World War II. In 1947 and 1948, she won a total of four Grand Slam championships: one in singles, two in women's doubles, and one in mixed doubles. She won these titles as a young mother.

Mãe Stella de Oxóssi was a iyalorixá, or priestess in the Brazilian Candomblé religion. She was the fifth iyalorixá of Ilê Axé Opô Afonjá, a Candomblé terreiro in Salvador, Bahia, Brazil. Mãe Stella was trained as a public health nurse. She was initiated into the Candomblé religion in 1939 and became the iyalorixá of Ilê Axé Opô Afonjá in 1976. Mãe Stella is noted for writing on the beliefs and practices of Candomblé for the general public, rather than practitioners. She lived in the interior of Bahia after a stroke and was interred in Salvador after her death in 2018.

Joseph Bishop Keller was an American mathematician who specialized in applied mathematics. He was best known for his work on the "geometrical theory of diffraction" (GTD).

Guillermina Moragues, better known as Myrna Mores, was an Argentine actress and singer.

Sergey Gerasimovich Mikaelyan was a Soviet film director and winner of the USSR State Prize (1976). He directed ten films between 1965 and 1986. His 1983 film Vlyublyon po sobstvennomu zhelaniyu was entered into the 33rd Berlin International Film Festival.

George Spencer-Brown was an English polymath best known as the author of Laws of Form. He described himself as a "mathematician, consulting engineer, psychologist, educational consultant and practitioner, consulting psychotherapist, author, and poet".

Efraín Elías "El Caimán" Sánchez Casimiro was a Colombian footballer who played as goalkeeper. He competed for the Colombian national football team at the 1962 FIFA World Cup which was held in Chile. Among other teams, he played for San Lorenzo of Argentina in the 1940s. He won the Colombian league title three times during his career.