Lorenzo Mascheroni
Lorenzo Mascheroni (Italian pronunciation: [loˈrɛntso maskeˈroːni]; 13 May 1750 – 14 July 1800) was an Italian geometer and mathematician best known for proving that all Euclidean constructions achievable with a compass and straightedge can also be done using only a compass (Mohr–Mascheroni theorem). He also calculated the Euler–Mascheroni constant to 32 decimal places.
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