Aldo Castellani

Aldo Castellani, KCMG
Castellani in 1934
Born	(1874-09-08)8 September 1874 Florence, Italy
Died	3 October 1971(1971-10-03) (aged 97) Lisbon, Portugal
Nationality	Italian
Alma mater	University of Florence
Known for	Castellani's paint
Awards	Honorary Knight Commander of the Order of St Michael and St George
Scientific career
Fields	dermatology, bacteriology
Institutions	Bonn, London, Colombo, Naples, St Louis, Lisbon
Academic advisors	Celso Pellizzari (1851–1925)

Aldo Luigi Mario Castellani, Marchese di Chisimajo, KCMG (8 September 1874^[1] – 3 October 1971) was an Italian pathologist and bacteriologist. He is best remembered as discoverer of the etiology of sleeping sickness (with David Bruce, 1903) and Yaws (1905), as a pioneer in the development and use of combined vaccines.