On August 28, 1853, Russian engineer-polymath, scientist and architect Vladimir Grigoryevich Shukhov was born. He is renowned for his pioneering works on new methods of analysis for structural engineering that led to breakthroughs in industrial design. He was one of the most outstanding designers and constructors of the 19th and 20th century. Moreover, he is considered as one of Russia's most important engineers.
On April 25, 1903, Soviet mathematician Andrey Nikolaevich Kolmogorov was born. He was one of the most important mathematicians of the 20th century, who advanced various scientific fields, among them probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory and computational complexity.
On 12 April 1961, aboard the Vostok 3KA-3 (Vostok 1), Soviet pilot Yuri Gagarin became both the first human to travel into space, and also the first to orbit the earth.
On February 9, 1881, famous Russian novelist, short story writer, and essayist Fyodor Dostoyevsky passed away in St. Petersburg, Russia. Dostoyevsky's literary works explore human psychology in the troubled political, social and spiritual context of 19th-century Russia and is considered to be one of the greatest and most prominent psychologists in world literature.