MacTutor
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.
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 Ⓟ
- 2013: Ismail Mohamed Ⓟ
- 2020: Ronald Graham Ⓟ
Quotation of the day
From Ronald Graham
A rule of thumb for any good math talk is that it should have one proof and one joke and they should not be the same.
