On This Day
http://www.maa.org/news/on-this-day?field_historica_event_date_value[value]=2016-10-23
en10-23-526
http://www.maa.org/news/on-this-day/526-10-23
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even">Boethius, Roman mathematician, executed. He is best known for his preservation of the basics of Greek mathematics in several treatises.
<br><br> More information about:
<br><a href="http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Boethius.html" target="_blank">Anicius Boethius</a></div></div></div>10-23-2007
http://www.maa.org/news/on-this-day/2007-10-23
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even">David Kendall, expert in applied probability and data analysis, died in Cambridge, England. Besides applying probability and statistics to many non-mathematical fields, he viewed statistical ideas geometrically and geometrical ideas statistically.
<br><br> More information about:
<br><a href="http://www.gap-system.org/~history/Biographies/Kendall.html" target="_blank">David Kendall</a></div></div></div>10-23-1852
http://www.maa.org/news/on-this-day/10-23-1852
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p>De Morgan conveyed Four Color Problem to Hamilton, writing,</p>
<p>"A student of mine asked me today to give him a reason for a fact which I did not know was a fact—and do not yet. He says that if a figure be anyhow divided and the compartments differently coloured so that the figures with any portion of common boundary line are differently coloured—four colours may be wanted, but not more… Query cannot a necessity for five or more be invented."</p></div></div></div>