MacTutor
27th May
On this day in 1849, Pafnuty Chebyshev defended his doctoral number theory dissertation The Theory of Congruences at St Petersburg University. This work received a prize from the Academy of Sciences.
On this day in 2020 Google released a Gutiérrez doodle.
The postage stamp of one of today's mathematicians at THIS LINK was issued in 1976.
On this day in 2020 Google released a Gutiérrez doodle.
The postage stamp of one of today's mathematicians at THIS LINK was issued in 1976.