Mathematicians Of The Day
6th July
On this day in 1708, de Moivre wrote to Johann Bernoulli about Machin's series: , on this occasion giving two different proofs that it converges to π.
This series follows from the identity .
The postage stamp of one of today's mathematicians at THIS LINK was issued in 2017.
This series follows from the identity .
The postage stamp of one of today's mathematicians at THIS LINK was issued in 2017.
Click on Ⓟ for a poster.
Born:
- 1849: Alfred Kempe Ⓟ
- 1904: Alexander Buchan
- 1910: Lothar Collatz Ⓟ
- 1917: Henry Jack Ⓟ
- 1928: Bernard Malgrange Ⓟ
- 1929: Jock Hoe Ⓟ
- 1945: Leon Simon Ⓟ
Died:
- 1476: Regiomontanus Ⓟ
- 1854: Georg Simon Ohm Ⓟ
- 1959: Agnes Wells Ⓟ
- 2013: Ismail Mohamed Ⓟ
- 2020: Ronald Graham Ⓟ
Quotation of the day
From Ronald Graham
Juggling is sometimes called the art of controlling patterns, controlling patterns in time and space.