Beruniy’s
Theory of Shadows
Preface
The great encyclopedic
of the Middle Ages Abu Raihon Muhammad ibn Ahmad al-Beruniy was born on the 3rd
of Zulhijja month in 362 hijra year (September 4, in 973) in the capital of
South Khorezm - the Kat (close to Beruniy).
He had a great
capability to science from