According to Ivinskaya, " If ever the conversation turned to Mandelstam, Leonidovich would always hark back to the same thing: that he was not to blame for his misfortunes, and that if he had not written to Bukharin and in general made a great fuss about his arrest, then perhaps Mandelstam would not even have had the respite, brief as it was, which was granted to him -- with the result that the Voronezh Notebooks might never have been written.

It was clear, however, that Leonidovich himself felt he had not come as well as he should out of his unexpected conversation with the Leader.

Slonimsky was born Nikolai Leonidovich Slonimskiy in Saint Petersburg.

According to Pasternak's mistress and muse, Olga Ivinskaya, Whenever Leonidovich was provided with literal versions of things which echoed his own thoughts or feelings, it made all the difference and he worked feverishly, turning them into masterpieces.

Valeri Leonidovich Barsukov ( Валерий Леонидович Барсуков ) ( March 14, 1928 – July 22, 1992 ) was a Soviet geochemist.

Sergey Leonidovich Katanandov (), was the President of the Republic of Karelia in Russia in 2002-2010.

Her father was Boris Leonidovich, an engineer, and her mother was Irina Valentinovna Ratushinsky, a teacher of Russian literature.

Daniil Leonidovich Andreyev (; November 2, 1906, Berlin – March 30, 1959, Moscow ) was a Russian writer, poet, and Christian mystic.

Alexander Leonidovich Chernogorov ( born July 13, 1959 in Vozdvizhenka, Stavropol Krai, Russia ) was the governor of Stavropol Krai in the southern European part of Russia.

Pavel Leonidovich Ipatov (), Born 12 April 1950, he was the governor of Saratov Oblast until March, 23, 2012.

Ivinskaya later recalled, " But I became so ill through loss of blood that she and Luisa had to get me to the hospital, and I not longer remember exactly what passed between me and this heavily built, strong-minded woman, who kept repeating how she didn't give a damn for our love and that, although she no longer loved Leonidovich herself, she would not allow her family to be broken up.

In 1938, Russian physicist Pyotr Leonidovich Kapitsa discovered that helium-4 has almost no viscosity at temperatures near absolute zero, a phenomenon now called superfluidity.

* April 8 – Pyotr Leonidovich Kapitsa, Russian physicist, Nobel Prize laureate ( b. 1894 )

* July 9 – Pyotr Leonidovich Kapitsa, Russian physicist, Nobel Prize laureate ( d. 1984 )

** Sergey Leonidovich Sokolov, Minister of Defence of Soviet Union ( b. 1911 )

File: Akhmetov Rinat Leonidovich. jpg | Rinat Akhmetov

* 1937 – Pyotr Leonidovich Kapitsa, John F. Allen, and Don Misener discover superfluidity using helium-4 at 2. 2 K

; Pyotr Leonidovich Kapitsa: cumulatively, for works in physics of low temperatures.

In 1891 Ernst Malachowski and Dmitry Leonidovich Romanowsky independently developed techniques using a mixture of Eosin Y and modified Methylene blue that produced a surprising hue unattributable to either staining component: a beautiful, distinctive shade of purple.

Platon Leonidovich Lebedev ( Russian: Плато ́ н Леони ́ дович Ле ́ бедев ; born 29 November 1956 ) is a former CEO of Group Menatep, currently imprisoned in Russia, and is best known as a close associate of Mikhail Khodorkovsky.

Semyonov ( right ) and Pyotr Leonidovich Kapitsa | Kapitsa, portrait by Boris Kustodiev, 1921.

Mikhail Leonidovich Gromov ( also spelled Mikhael Gromov or Michael Gromov ; ; born 23 December 1943 ), is a French-Russian mathematician known for important contributions in many different areas of mathematics.

Vladimir Leonidovich Bogdanov (; born on May 28, 1951 in Tyumen Oblast, Soviet Union ) is a Russian oil tycoon.

Rinat Leonidovych Akhmetov also known as Renat Leonidovich Akhmetov (,, ; born on 21 September 1966 ) is a Ukrainian businessman and oligarch.

Along with Pyotr Leonidovich Kapitsa and Don Misener, Allen discovered the superfluid phase of matter in 1937 using liquid helium in the Royal Society Mond Laboratory in Cambridge, England.

Along with Pyotr Leonidovich Kapitsa and John F. Allen, Misener discovered the superfluid phase of matter in 1937.

The formal displacement of the geocentric principle far from being Copernicus' primary concern, was introduced only to resolve what seemed to him intolerable in orthodox astronomy, namely, the ' unphysical ' triplication of centric reference-points: one center from which the planet's distances were calculated, another around which planetary velocities were computed, and still a third center ( the earth ) from which the observations originated.

If his scholarship and formal musicianship were not all they might have been, Mercer demonstrated at an early age that he was gifted with a remarkable ear for rhythm and dialect.

The result was that I found myself in the ridiculous position of having made a formal engagement by letter for the next week, only two days before my departure from London.

Thus the Congress marks a formal recognition of the political system that was central to world politics for a century.

National identification was reflected jurisprudentially in law theories which incorporated this Hegelian abstraction and saw law, domestic and international, simply as its formal reflection.

Typical of such an experience was the occasion of a somewhat formal official welcome in the offices of the Union of Soviet Artists.

This was a bitterly fought game, carrying almost as much grudge as a fist fight, with no friendliness exhibited between the teams except the formal politeness that accompanied the setting forth of ground rules and agreements on balls that went into the crowd.

He was not going to Vienna to negotiate -- the simultaneous announcements in Washington and Moscow last week stressed that no formal negotiations were planned.

The inclination was to accept the statement that there would be no formal negotiations.

His interest in the formal study of religion waned when he was sixteen and he substituted for it an interest in Asian affairs.

While young Lincoln's formal elementary education consisted approximately of a year's worth of classes from several itinerant teachers, he was mostly self-educated and was an avid reader.

His works contain the earliest known formal study of logic, which was incorporated in the late 19th century into modern formal logic.

With the Prior Analytics, Aristotle is credited with the earliest study of formal logic, and his conception of it was the dominant form of Western logic until 19th century advances in mathematical logic.

The formal ratification by all 13 states was completed in early 1781.

A similar French influence is seen in classroom ASL in francophone West Africa, where ASL was introduced along with formal education for the deaf by the deaf American missionary Andrew Foster.

At the age of 13, Mackenzie's father died, and he was forced to end his formal education in order to help support his family.

Despite his lack of formal qualifications, Ampère was appointed a professor of mathematics at the school in 1809.

The school, considered one of the first formal adult education centers in America, was also attended by foreign scholars.

At the time of his arrival in Shahr-i Babak, a formal local governor was engaged in a campaign to drive out the Afghans from the city's citadel, and Hasan Ali Shah joined him in forcing the Afghans to surrender.

Allowing himself to be involved in the ecclesiastical disputes that divided Hungary in 1895, he was made the subject of formal complaint by the Hungarian government and in 1896 was recalled.

She bound Andrew as a boy as an apprentice tailor ; Johnson had no formal education but taught himself how to read and write, with some help from his masters, as was their obligation under his apprenticeship.

" After a vigorous debate, a formal vote for impeachment was held in the House of Representatives on December 5, 1867, and failed, 57 – 108.