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'''Janos Bolyai''' was a [[Hungarian]] [[mathematician]] in the nineteenth century. He was the son of Farkas Bolyai, another mathematician, who was a friend and colleague of the great [[German]] mathematician [[Carl Friedrich Gauss]]. Janos Bolyai invented non-Euclidean [[geometry]] at the same time as and independently of his rival, the [[Russian]] mathematician and [[astronomer]] Nikolai Lobachevsky. Non-Euclidean geometry is a form of geometry which differs from traditional Euclidean geometry in that it rejects Euclidean geometry's fifth postulate that parallel lines can never intersect.

'''Janos Bólyai''' was a [[Hungarian]] [[mathematician]] in the nineteenth century. He was the son of Farkas Bolyai, another mathematician, who was a friend and colleague of the great [[German]] mathematician [[Carl Friedrich Gauss]]. Janos Bolyai invented non-Euclidean [[geometry]] at the same time as and independently of his rival, the [[Russian]] mathematician and [[astronomer]] Nikolai Lobachevsky. Non-Euclidean geometry is a form of geometry which differs from traditional Euclidean geometry in that it rejects Euclidean geometry's fifth postulate that parallel lines can never intersect.

==See also ==

==See also ==

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[[category:mathematicians]]

[[category:Mathematicians]]

[[Category:Hungary]]