Thomas Alva Edison, an American inventor, scientist, and businessman, transformed the 19th century with innovations that redefined...

Dr. Avul Pakir Jainulabdeen Abdul Kalam better known as the "Missile Man of India" and "People's President" was one of India’s most...

Stephen Hawking was a renowned theoretical physicist, cosmologist, and author known for his groundbreaking work on black holes and...