TIL In 1900, a German mathematician outlined a list of 23 unsolved problems in mathematics that he hoped would be solved in the 20th century. As of 2015, only 10 have been answered.

http://en.wikipedia.org/wiki/Hilbert%27s_problems



Submitted February 23, 2015 at 01:13AM by TheSwayzieExpress http://www.reddit.com/r/todayilearned/comments/2wsefl/til_in_1900_a_german_mathematician_outlined_a/