African-American Scientists

by Richard X. Donovan

Book Overview

Synopsis Three hundred years before Christ, a complex astronomical observatory existed in Kenya. These Kenyans were using a complex and accurate calendar system at a time when ancient Romans,... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0894203436
• ISBN13: 9780894203435
• Release Date: August 1999
• Publisher: National Publishing Company
• Length: 132 Pages