Problem: Prince Grigory Aleksandrovich Potemkin-Tavricheski (Russian: Grigorii Aleksandrovich Potiomkin-Tavricheskii; 'Potyomkin', r Grigoriy Aleksandrovich Potyomkin-Tavricheskiy; October 11 [O.S. September 30] 1739 - October 16 [O.S. October 5] 1791) was a Russian military leader, statesman, nobleman and favourite of Catherine the Great. He died during negotiations over the Treaty of Jassy, which ended a war with the Ottoman Empire that he had overseen. Potemkin was born into a family of middle-income noble landowners.

Potemkin then embarked on a period of city-founding. Construction started at his first effort, Kherson, in 1778, as a base for a new Black Sea Fleet he intended to build. Potemkin approved every plan himself, but construction was slow, and the city proved costly and vulnerable to plague. Next was the port of Akhtiar, annexed with the Crimea, which became Sevastopol. Then he built Simferopol as the Crimean capital. His biggest failure, however, was his effort to build the city of Ekaterinoslav (lit. The glory of Catherine), now Dnipropetrovsk. The second most successful city of Potemkin's rule was Nikolayev (now better known as Mykolaiv), which he founded in 1789. Potemkin also initiated the redesign of Odessa after its capture from the Turks; it was to turn out to be the greatest.  Potemkin's Black Sea Fleet was a massive undertaking for its time. By 1787, the British ambassador reported twenty-seven battleships. It put Russia on a naval footing with Spain, though far behind the British Navy. The period represented the peak of Russia's naval power relative to other European states. Potemkin also rewarded hundreds of thousands of settlers who moved into his territories. It is estimated that by 1782 the populations of Novorossiya and Azov had doubled during a period of "exceptionally rapid" development. Immigrants included Russians, foreigners, British convicts diverted from Australia, Cossacks and controversially Jews. Though the immigrants were not always happy in their new surroundings, on at least one occasion Potemkin intervened directly to ensure families received the cattle to which they were entitled. Outside of Novorossiya he drew up the defensive Azov-Mozdok line, constructing forts at Georgievsk, Stavropol and elsewhere and ensured that the whole of the line was settled.  In 1784 Lanskoy died and Potemkin was needed at court to console the grieving Catherine. After Alexander Yermolov was installed as the new favorite in 1785, Catherine, Yermolov and Potemkin cruised the upper Volga. When Yermolov attempted to unseat Potemkin (and attracted support from Potemkin's critics), he found himself replaced by Count Alexander Dmitriev-Mamonov in the summer of 1786. Potemkin returned to the south, having arranged that Catherine would visit in the summer of 1787. She reached Kiev in late January, to travel down the Dnieper after the ice had melted (see Crimean journey of Catherine the Great). Potemkin had other lovers at this time, including a 'Countess' Sevres and a Naryshkina. Leaving in April, the royal party arrived in Kherson a month later. On visiting Sevastopol, Austria's Joseph II, who was traveling with them, was moved to note that "The Empress is totally ecstatic... Prince Potemkin is at the moment all-powerful".

did he make any profitable projects?

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Chumbawamba  were a British band that formed in 1982 and dissolved in 2012. The band constantly shifted in musical style, drawing on genres such as punk rock, pop, folk, and experimental. Their anarchist or libertarian socialist political stance exhibited an irreverent attitude toward authority, and the band have been forthright in their stances on issues including animal rights, pacifism (early in their career) and later regarding class struggle, feminism, gay liberation, pop culture and anti-fascism. The band are best known for their song "Tubthumping", which was nominated for Best British Single at the 1998 Brit Awards.
By the mid-1980s Chumbawamba had begun to release material using the vinyl format on their own Agit-Prop record label, which had evolved from an earlier project, Sky and Trees Records. The first release was the Revolution EP in 1985, which quickly sold out of its initial run, and was re-pressed, reaching No. 4 in the UK Indie Chart, and staying in the chart for 34 weeks. The first LP, Pictures of Starving Children Sell Records (1986) was a critique of the Live Aid concert organised by Bob Geldof, which the band argued was primarily a cosmetic spectacle designed to draw attention away from the real political causes of world hunger.  The band toured Europe with Dutch band the Ex, and a collaboration between members of the two bands, under the name "Antidote", led to the release of an EP, Destroy Fascism!, inspired by hardcore punk band Heresy, with whom they had also toured. Both the Ex and Chumbawamba were released on cassette tape in Poland during this period, when music censorship was entrenched in Iron Curtain nations. The "RED" label, based in Wroclaw in south-west Poland during the late 1980s, only released cassette tapes and, despite the limits enforced by Polish authorities, was able to release Chumbawamba's music, in addition to bands from the USSR, East Germany and Czechoslovakia.  Chumbawamba's second album, Never Mind the Ballots...Here's the Rest of Your Lives, was released in 1987, coinciding with the general election, and questions the validity of the British democratic system of the time. The band adopted another moniker, Scab Aid, for the "Let It Be" song release that parodied a version of the Beatles song recorded by the popstar supergroup Ferry Aid to raise money for victims of the Zeebrugge ferry disaster.  The 1988 album English Rebel Songs 1381-1984, originally released as English Rebel Songs 1381-1914, was a recording of traditional songs.
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The band toured Europe with Dutch band the Ex, and a collaboration between members of the two bands,