List of Famous people who died at 84

George Bellamy Mackaness was an Australian professor of microbiology, immunologist, writer and administrator, who researched and described the life history of the macrophage. He showed that by infecting mice with intracellular bacteria, macrophages could be activated to attack other bacteria, triggering further research on "macrophage activation", a term he has come to be associated with.

Louie Bellson, known by the stage name Louie Bellson, was an American jazz drummer. He was a composer, arranger, bandleader, and jazz educator, and is credited with pioneering the use of two bass drums.

Jean Berthoin was a French politician. As Minister of National Education under Charles de Gaulle, he instituted a policy of compulsory education for all children, both French and foreign citizens, until the age of sixteen, building on the earlier reforms of 1936. Implemented in 1959, this was known as the Berthoin Ordinance. He also suggested that the baccalauréat be abolished, prompting a significant backlash in the Parisian press.