Nicolaus Copernicus Monument, Toruń earth, stopper of the sun and heavens"). In 2003, on the 150th anniversary of its construction, the monument was renovated. As part of the renovations, the stone water well and the dolphin's mouth at the foot of the statue were restored. Celebrations of the 150th anniversary of the monument were held on 25 October 2003, attended by the Marshal of the Sejm of the Republic of Poland, Marek Borowski. Nicolaus Copernicus Monument, Toruń The Nicolaus Copernicus Monument in the home town of astronomer Nicolaus Copernicus (1473–1543) was erected in 1853 by a "monument committee" of the city's residents. King Frederick
Nicolas Léonard Sadi Carnot Nicolas Léonard Sadi Carnot Nicolas Léonard Sadi Carnot (; 1 June 1796 – 24 August 1832) was a French military engineer and physicist, often described as the "father of thermodynamics". Like Copernicus, he published only one book, the "Reflections on the Motive Power of Fire" (Paris, 1824), in which he expressed, at the age of 27 years, the first successful theory of the maximum efficiency of heat engines. In this work he laid the foundations of an entirely new discipline, thermodynamics. Carnot's work attracted little attention during his lifetime, but it was later used by Rudolf Clausius and Lord Kelvin