direct service from New Jersey to Manhattan on electrified lines, terminating at the massive new Penn Station. 1912: The second vice-president of the PRR, John B. Thayer, died in the sinking of at age of 49. 1912: Broadway Limited was inaugurated, replacing the Pennsylvania Special. 1915: The Pennsylvania electrifies its suburban Philadelphia lines to Paoli, Pennsylvania; PRR Position-Light signals first used, between Overbrook and Bryn Mawr, Pennsylvania. 1916: The Pennsy adopts new motto, "Standard Railroad of the World"; The first I1s Decapod locomotive is completed, and switching locomotives of the A5s and B6sb class are introduced. 1917: Completion of the New York Connecting Railroad and the Hell Gate Bridge speed access to the New England states. 1918: Pennsy stock bottoms at $40¼ (equal to $ today), the lowest since 1877, due largely to Federal railroad control; Emergency freight is routed through New York Penn Station and the Hudson River tunnels by the USRA to relieve congestion; The Pennsy electrifies suburban commuter line to Chestnut Hill, PA. 1925: Chicago Union Station opens. 1928–1938: The Pennsylvania electrifies its New York—Washington, D.C., and Chicago—Philadelphia lines between Harrisburg and Paoli, several Philadelphia and New York area commuter lines, and major through freight lines. 1937: Pennsy acquires its first diesel, a model SW switcher engine from Electro-Motive Corporation. 1943: An accident at Frankford Junction, Pennsylvania, kills 79. 1946: The Pennsylvania Railroad reported a net loss for the first time in its history. 1951: An accident in Woodbridge, New Jersey, kills 85 people. 1957: Steam locomotives are removed from active service in the PRR fleet; Merger talks begin with the New York Central Railroad. 1968: The PRR absorbs NYC and eventually changes its name to Penn Central Transportation Company (PC). Presidents J. Edgar Thomson Thomson (1808–1874) was the entrepreneur who led the Pennsylvania Railroad from 1852 until his death in 1874, making it the largest business enterprise in the world and a world-class model for technological and managerial innovation. He served as the Pennsy's first Chief Engineer and third President. Thomson's sober, technical, methodical, and non-ideological personality had an important influence on the Pennsylvania Railroad, which in the mid-19th century was on the technical cutting edge of rail development, while nonetheless reflecting Thomson's personality in its conservatism and its steady growth while avoiding financial risks. His Pennsylvania Railroad was in his day the largest railroad in the world, with 6,000 miles of track, and was famous