| Birth Name: | Aleksandra Sergeyevna Troitskaya |
| Birth Date: | 1896 5, df=y |
| Birth Place: | Bryankovo, Likhvinsky Uyezd, Kaluga Governorate, Russian Empire |
| Death Place: | Kaluga, Soviet Union |
| Occupation: | doctor |
| Nationality: | Russian |
| Alma Mater: | Kharkiv National Medical University |
Aleksandra Sergeyevna Troitskaya (Russian: Алекса́ндра Серге́евна Тро́ицкая; 1896–1979) was a Soviet microbiologist-leprologist, candidate of medical sciences. Author of cancer vaccine.[1] [2] Honorary Citizen of Kaluga (1996).[3]
Troitskaya was born in Bryankovo (now in Suvorovsky District of Tula Oblast), grew up in Kaluga.[3]
In 1917 she graduated from the Kaluga Diocesan School (she also studied with Konstantin Tsiolkovsky). In 1920s she worked as a teacher.[3]
In 1934 she graduated from Kharkiv National Medical University. In 1940-1951 a microbiologist, from 1946 Senior Researcher of the Astrakhan Leprosarium.[4]
In 1946, at the Kazan Federal University, she defended her thesis on pain biotherapy in the treatment of leprosy.[5]
Since 1951 (after retirement) she worked as a microbiologist in the laboratory of the Kaluga Oncologic Dispensary.[4]
She discovered new strains of corynebacteria — Corynebacterium Krestovnikova / Troitskaya.[6] [7]
Troitskaya died in 1979. Buried on Pyatnitskoye Cemetery in Kaluga.