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János Bolyai was a pioneer of non-Euclidean geometry https://mathshistory.st-andrews.ac.uk/Biographies/Bolyai/ #Maths #Math #Mathematics #Geometry #History #Biography #Romania #19thcentury #C19th
Source: https://twitter.com/mathshistory/status/1603334811296333824?s=20&t=Rta_tkIQuX-TDAQfgpoDrw
