Who is Nathan stubblefield?

Nathan stubblefield is my great great great grandfather's best friend's great grand father.

It was between 1880-1900 when this man invented the so called "wireless telephone" we have today.which is famously known as CELL PHONE.he first applied the term"Cave Radio"for this.and later was changed.

Martin Coper was the one who continued the patent.He is known for inventing Cellphone,But remember that it was Nathan stubblefield who had the idea.