Ocupation: Mathematician
Life: February 15, 1861 - December 30, 1947
Birthday: February 15
Death: December 30
Without deductive logic science would be entirely useless. It is merely a barren game to ascend from the particular to the general, unless afterwards we can reverse the process and descend from the general to the particular, ascending and descending like angels on Jacob's ladder.
source: Alfred North Whitehead (1967). “Aims of Education”, p.52, Simon and Schuster