1st July

On this day in 1818, William George Horner's method of solving equations was presented to the Royal Society in London. In fact this method was known to Zhu Shijie in China in the thirteenth century.

On this day in 2013 Google released an Alhazen doodle and in 2018 they released a Leibniz doodle.

The postage stamp of one of today's mathematicians at THIS LINK was issued in 1950.