Thomas Alva Edison

Thomas Alva Edison Biography

Thomas Edison information, life, wiki & family An inventor…
Nicolaus Copernicus

Nicolaus Copernicus Biography & Wiki

Nicolaus Copernicus, astronomer and mathematician, was born on…

Facts & Biography of Archimedes

Ancient Greek engineer, physicist, inventor, mathematician and…
Alexander Graham Bell

Biography of Alexander Graham Bell

Alexander Graham Bell facts Scientist, engineer, inventor and…

Facts of Aristotle

Biography of Aristotle Greek greatest & famous philosopher…
biography of Galileo Galilei

Galileo Galilei

Galileo Biography An Italian astronomer, physicist, engineer,…