Alexander Johnston Cassatt was the seventh president of the Pennsylvania Railroad , serving from June 9, 1899 to December 28, 1906. The painter Mary Cassatt was his sister.
Alexander Johnston Cassatt was born on December 8, 1839 in Pittsburgh, Pennsylvania, the eldest of seven children , the brother of Mary Cassatt born to Robert Simpson Cassat , and Katherine Kelso Johnston. The elder Cassatt, was a successful stockbroker and land speculator. He was descended from the French Huguenot Jacques Cossart, who came to New Amsterdam in 1662. Her mother, Katherine Kelso Johnston, came from a banking family. Katherine Cassatt, educated and very well read and it was said that it was Alexander who most resembled his mother in appearance and temperament.10 In 1856, he entered Rensselaer Polytechnic Institute to study Civil Engineering where his senior thesis was entitled Review of Pressure Turbine.13 After graduating in the summer of 1859, Robert Cassatt took Alexander to see a former neighbor from Lancaster Pennsylvania, James Buchanan, 15th President of the United States. By the fall of the next year in 1860, Alexander had secured a position as a surveyor or rodm
Source: Wikipedia