Nicky Lobachevsky

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            [Time Line]

Nikolai I. Lobachevsky
   (b. 1793, ??city??; d. 1856, ??city??)

1826: L. announces his counter-idea to Euclid that only ONE 
      parallel line can be drawn through a fixed point not 
on that line. Pub'd 1840: Geometrical Researches on the 
Thoery of Parallels (tumpet and coronet players are ecstatic!)