1919-1929: Luck Favors the Prepared Mind

1919: General Electric Company (GE) buys American arm of Marconi company and incorporates its assets as Radio Corporation of America (RCA). David Sarnoff retains post as commercial manager.

January 1920: Sends memo to GE superiors on present and prospective business for RCA, including broadcasting.

April 29, 1921: Promoted to general manager of RCA.

January 8, 1921: Becomes father of Edward Sarnoff.

1922: Promoted to vice president and general manager.

December 11, 1924: Appointed lieutenant colonel, United States Army reserve.

February 23, 1927: Becomes father of Thomas W. Sarnoff.

January 1, 1929: Promoted to executive vice president.