List of Famous people who died at 43

Colonel Richard Ratsimandrava was President of Madagascar for six days in February 1975. His assassination in 1975 led to a civil war.

Leonard Harold Breau was a Canadian-American guitarist and music educator. Breau blended many styles of music, including jazz, country, classical, and flamenco. Inspired by country guitarists like Chet Atkins, Breau used fingerstyle techniques not often used in jazz guitar. By using a seven-string guitar and approaching the guitar like a piano, he opened up possibilities for the instrument.

Evelyn Merle Nelson, born Evelyn Merle Roden, was a Canadian mathematician. Nelson made contributions to the area of universal algebra with applications to theoretical computer science. She, along with Cecilia Krieger, is the namesake of the Krieger–Nelson Prize, awarded by the Canadian Mathematical Society for outstanding research by a female mathematician.

Manley Lanier "Sonny" Carter Jr., M.D., , was an American chemist, physician, professional soccer player, naval officer and aviator, test pilot, and NASA astronaut who flew on STS-33.