Elisha Gray was an electrical engineer. He is known for his telephone prototype and music synthesizer. Gray got over 70 patents for his inventions.
He was born on August 2nd, 1835 in Barnesville, Ohio. He died on January 21st, 1901 in Newtonville, Massechusetts.
Gray also invented the telautograph, this was a device that could transmit handwriting through the telegraph systems!
The wealth of these city-states were flourishing, and it is visible because of the infrastructure being built. Note that better infrastructure is an opportunity for better trade. Trade = wealth.
The (president pro tempore) fills in for the vice President
