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!
Answer: Evidence based policing
Explanation: Evidence based policing is a practice whose policies and practices are derived from the systematic, scientific study of the effectiveness of various proven methods.
This method is effective and does not give room to chance or probability as it involves making decisions based on facts.
