Quote of the day
In all works on Natural History, we constantly find details of the marvellous adaptation of animals to their food, their habits, and the localities in which they are found.
Ludwik Fleck

Born: July 11, 1896
Died: June 5, 1961 (aged 64)
Bio: Ludwik Fleck was a Polish and Israeli physician and biologist who did important work in epidemic typhus in Lwów, Poland, with Rudolf Weigl and in the 1930s developed the concept of the "Denkkollektiv".