Fibonacci's Daughter

      by M.D. Coverley

a true report from the invisible world

Leonardo de Pisa, Fibonacci

(1175-1250)

was a mathematician who codified number sequences and spatial relationships of objects found in nature and used by ancient architects.  His book, Liber abaci, was influential in the adoption of Arabic numerals.

The Fibonacci numbers are
0, 1, 1, 2, 3, 5, 8, 13, ... (add the last two to get the next)

The golden section and related numbers are:
± 0·61803 39887... and ± 1·61803 39887...