October 21

From Gnomon Chronicles
Revision as of 06:59, 21 October 2022 by Admin (talk | contribs)
Jump to navigation Jump to search


Better Than News

Are You Sure

• ... that mathematician and academic Wacław Sierpiński made important contributions to set theory (notably his research on the axiom of choice and the continuum hypothesis), number theory, theory of functions, and topology?

On This Day in Fiction and Nonfiction

Topic of the Day

Candy