July 31] 1892 - August 27, 1925) was a Soviet revolutionary and statesman.
He joined the Bolsheviks during his years as a student in the medical faculty of Kiev University, from which he graduated in 1916; he was immediately drafted into the army, where he served as a doctor and became prominent in the clandestine military organizations of the Bolsheviks.
In 1924 his position as Trotsky's deputy was taken over by Grigory Zinoviev's ally Mikhail Frunze.
Instead, he was made chairman of the Mossukno state textile trust, and the following May he left on a tour of Germany, France, and the United States to acquire technical information.
On August 27, 1925 he died in a boating accident on Long Lake (New York) along with Isay Khurgin, the first head of Amtorg Trading Corporation.
The high-ranking Soviet defector Boris Bazhanov was convinced that Sklyansky had been drowned on Stalin's orders, and the alleged accident had been organized by Georgy Kanner and Genrikh Yagoda.