January 19

Boris Viktorovich Savinkov (Russian: Бори́с Ви́кторович Са́винков) (19 January 1879 – 7 May 1925) was a Russian writer and revolutionary terrorist. As one of the leaders of the Fighting Organisation of the Socialist-Revolutionary Party, he was responsible for the most spectacular assassinations of imperial officials in 1904 and 1905. Later, he became Assistant War Minister in the Provisional Government. Savinkov emigrated in 1920, but in 1924 he made an endeavour to return to Russia, was arrested and either was killed in prison or committed suicide.

Aleksandr Gennadievich Kurosh (Russian: Алекса́ндр Генна́диевич Ку́рош; 19 January 1908 – 18 May 1971) was a Soviet mathematician, known for his work in abstract algebra. He is credited with writing the first modern and high-level text on group theory, his The Theory of Groups published in 1944. He was born in Yartsevo near Smolensk, and died in Moscow. He received his Ph.D. from the Moscow State University in 1936 under the direction of Pavel Alexandrov.

Leonid Vitaliyevich Kantorovich (Russian: Леони́д Вита́льевич Канторо́вич) (19 January 1912 – 7 April 1986) was a Soviet mathematician and economist, known for his theory and development of techniques for the optimal allocation of resources. He was the winner of the Nobel Prize in Economics in 1975 and the only winner of this prize from the USSR.

Yevgeny Viktorovich Sadovyi (Russian: Евгений Викторович Садовый; born 19 January 1973) is a retired Russian freestyle swimmer who won three gold medals at the 1992 Summer Olympics at Barcelona and was subsequently chosen by Swimming World magazine as the Male World Swimmer of the Year.

 
Svetlana Vasilyevna Khorkina (Russian: Светлана Васильевна Хоркина; born January 19, 1979) is a Russian artistic gymnast. She competed at the 1996 Summer Olympics, the 2000 Summer Olympics, and the 2004 Summer Olympics. Throughout her career, Khorkina won seven Olympic medals and twenty World Championship medals. She was the first gymnast to win three all around titles at the World Championships and is still the only female gymnast ever to do so. She is considered to be one of the most successful female gymnasts of all time.