Life Story
Contributions
Education
Collaborations
Interesting Facts
100

February 27, 1881

When was LEJ born?

100

At the age of 24 Brouwer wrote the book Life, Art and Mysticism, whose solipsistic content foreshadows his philosophy of which original field of interest.

What is Mathematics?

100

In, 1897 LEJ entered the University of Amsterdam to major in the same subjects as Brett and Jacob

What are Math and Physics?

100

Known as the founder of this modern field of mathematics by many mathematicians

What is topology?

100

"Bertus"

What did LEJ's friends call him?

200

December 2, 1966

When did LEJ die?

200

This theorem, developed by LEJ, asserts that for any continuous function f, which maps a disc, or some topologically equivalent shape to itself, there is at least one point that remains fixed; such that f(x) = x.

What is the Fixed Point Theorem?

200

In 1907, LEJ earned this prestigious title with dissertation On the Foundations of Mathematics, under supervision of Korteweg at the University of Amsterdam.

What is a doctorate?

200

In this year that the First World War commenced, LEJ is invited to join the editorial board of a German mathematical research journal, the Mathematische Annalen, founded in 1868 by Alfred Clebsch and Carl Neumann. 

What is 1914?

200

During the German occupation of the Netherlands in WW2, LEJ offers hiding places to this particular group of persecuted persons in small houses on his premises. He also assists the resistance by letting them use storage space in the Mathematical Institute, of which he was the director.

What are the Jews?

300

1966 December 2: dies at 85 years old, when he is hit by this motorized vehicle in front of his house. His library and archives are dispersed.

What is a car?

300

This person proposed that in the philosophy of mathematics, intuitionism is an approach where mathematics is considered to be purely the result of the constructive mental activity of humans rather than the discovery of fundamental principles claimed to exist in an objective reality.

Who is LEJ Brouwer?

300

In 1929, Brouwer’s paper-containing handheld box-shaped this was stolen on the tram in Brussels, and with it his mathematical notebook. Brouwer later said that this loss was instrumental in the shift of his main interest from mathematics to philosophy.*

What is a briefcase?

300

In the late 1920s, under the editorship of Hilbert, the journal became embroiled in controversy over the participation of LEJ on its editorial board. Nicknamed the “Mathematische Annalenstreit”, this famous physicist supported the retention of LEJ on the board.

Who is Einstein?

300

On two separate occasions, in 1941 and 1944 this hot chemical process in Brouwer’s house destroyed significant parts of his archives and library.

What is fire (combustion)?

M
e
n
u