The broadcast did not only effect the world of baseball but the world of radio itself . In the following years radio would be used to cover large events , bringing the news and accomplishments of the world to even larger audiences . " Radio exploded across America , broadcasting the first-ever radio commercial in 1922 , the 1925 Cubs-Pirates season opener , the 1925 Scopes monkey trial , the Charles Lindbergh cross-Atlantic Paris landing in 1927 , the 1927 Jack Dempsey " long-count fight " and much more , all while inventing the sit-com as we know it with the forerunner to " Amos 'n' Andy " in 1926 and then " The Goldbergs " in 1929 . " Before leaving WJZ in 1925 to join the WNYC Tommy had covered the Democratic National Convention of June 1924 in Madison Square Garden . “ WNYC ’s founder Grover A. Whalen convinced Cowan to be WNYC 's Chief Announcer , and his was the first voice heard when we went on the air July 8 , 1924 . ” Says WYNC ’s web article about him . Cowan stayed with the station until his retirement in 1961 . During his 40-year career he covered just about every major event in New York City , from parades to presidential addresses
Democratic National Convention of June 1924
1924 Democratic National Convention
Thomas Cowan (broadcaster)