Ivan Kulibin
Ivan Petrovich Kulibin (April 21, 1735 – August 11, 1818) was a Russian mechanic and inventor. He was born in Nizhny Novgorod in the family of a trader. From childhood, Kulibin displayed an interest in constructing mechanics, mechanical tools. Soon, clock mechanisms became a special interest of his. His realizations as well as his prolific imagination inspired the work of many. Saint Petersburg years During 1764–1767 he built an egg (biology), egg-shaped clock, containing a complex automatic mechanism. In 1769 Kulibin gave this clock to Catherine the Great, Catherine II, who assigned Kulibin to be in charge of the mechanical workshop in the Russian Academy of Sciences, Academy of Sciences of Saint Petersburg (established in 1724). There, Kulibin built a “planetary” pocket-clock, which showed not only the current time, but also the month, day of the week, the season and the current moon phase. Kulibin also designed projects for tower clocks, miniature "clock-in-a-ring" t ...
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