Mathematicians Of The Day

15th November

Today is the feast-day of St Albertus Magnus. He was canonised in 1931 and in 1941 was made patron of natural scientists by Pope Pius XII.

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Quotation of the day

From Johannes Kepler
Temporis filia veritas; cui me obstetricari non pudet.

[Truth is the daughter of time, and I feel no shame in being her midwife.]
Account of personal observations of the four moving satellites of Jupiter...: Narratio de observatis a se quatuor Jovis satellitibus erronibus ... (Frankfurt, 1611) first words of text, KGW 4 317.