On this day in 1655, William Oughtred wrote to John Wallis to praise his methods in Arithmetica Infinitorum. It was received too late to be included in the first edition, but was included in the 1695 second edition.
On this day in 2011 Google released a Fermat doodle.
Click on Ⓟ for a poster.
Born:
1601: Pierre Fermat Ⓟ
1904: Jacob Levitzki Ⓟ
1904: Giovanni Ricci Ⓟ
1954: Ingrid Daubechies Ⓟ
Died:
1807: Johannes Tetens Ⓟ
1924: Pavel Urysohn Ⓟ
1927: Ivar Fredholm Ⓟ
1944: Thomas Lumsden
1974: Cecilia Krieger Ⓟ
1975: Sergei Fomin Ⓟ
2004: Shizuo Kakutani Ⓟ
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