1. 
   Riemann
   [n] - pioneer of non-Euclidean geometry (1826-1866)
   Found op http://www.webdictionary.co.uk/definition.php?query=Riemann
   
   
2. 
   Riemann
   Bernhard Riemann noun pioneer of non-Euclidean geometry (1826-1866)
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=Riemann
   
   
3. 
   Riemann
   [crater] This is a heavily battered and eroded formation that is only a remnant of its former self. The outer rim has been worn away in many places, and now forms an irregular series of ridges in a rough circle. The rim is overlain along the south-southwestern rim by Beals, and several small...
   Found op http://en.wikipedia.org/wiki/Riemann_(crater)
   
   
4. 
   Riemann
   [surname] Riemann is the surname of a number of notable people: == See also == ...
   Found op http://en.wikipedia.org/wiki/Riemann_(surname)
   
   
5. 
   riemann
   1) Bernhard riemann 2) Georg friedrich bernhard riemann 3) German mathematician for whom a branch of geometry is named 4) Mathematician 5) Pioneer of non-euclidean geometry 6) Riemann
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/riemann/1
   
   

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