A Brief History of Non-Euclidean Geometry

Introduction     Euclid     Saccheri     Gauss/Bolyai     Lobachevsky     Riemann/Klein

INDEX    

I have discovered things so wonderful that I was astounded ... out of nothing I have created a strange new world. – Janos Bolyai
Welcome to my website on the development of non-euclidean geometry. One could call this development a triumph of imagination, as several key players challeneged what was understood to be definite, to discover notions never before conceived. Here we will give a brief historical account of the people behind the development and what they did.
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