Nikola Tesla Secret PDF

Tesla discovered a principle of physics that forms the basis for nearly all devices that use AC power, he discovered …

Download

Bessie Coleman Biography PDF

Bessie Coleman was the 1st woman of African-American and Native American descent to earn her pilot’s license in the US, …

Download

Howard Hughes Biography PDF

Howard Hughes was a American Aviator,and motion picture producer and director,& also he was a Aerospace Engineer,business magnet & philanthropist,known …

Download