William Elvin Jackson  William Elvin Jackson was an aviation electronics engineer who contributed to the fields of aeronautical navigation, communications and air traffic control. William Jackson graduated from Brown University in Providence, Rhode Island. The yearbook foreshadowed his future. From the Brown University Yearbook 1925:   In the mid-1920s, Jackson, while living in Schenectady, New York, was a central part of a worldwide group of thousands of experimenting wireless engineers, referred to as "hams". They used ham radios and Morse code to communicate among themselves between 42 countries, all in an effort to improve code transmission when two-way communication was the first wireless technology. At the time, he was employed with General Electric in its radio department.