<Ul> <Li> List of railroad executives </Li> </Ul> <Li> List of railroad executives </Li> <Ul> <Li> Grenville M. Dodge--Chief engineer of the Union Pacific Railroad and helped construct the first American transcontinental railroad . </Li> <Li> Fred Harvey--Revolutionized passenger train onboard services, making travel by train more comfortable . </Li> <Li> Theodore Judah--Chief engineer of the Central Pacific Railroad and passionate supporter of the first American transcontinental railroad </Li> <Li> Otto Kuhler--industrial designer </Li> <Li> Raymond Loewy--industrial designer </Li> <Li> Anatole Mallet--Inventor of the articulated locomotive, commonly called the Mallet locomotive </Li> <Li> Charles Minot--General Superintendent of the Erie Railroad, first to use the telegraph to dispatch trains in 1851 </Li> <Li> Wilhelm von Pressel--designer of the Baghdad Railway </Li> <Li> George Stephenson--the "Father of British Steam Railways", inventor of the Rocket steam locomotive (the first "modern" locomotive), and pioneer of the 4 ft 8 1⁄2 inch rail gauge </Li> <Li> Richard Trevithick--Credited with the 1804 invention of the steam locomotive </Li> <Li> George Westinghouse--Inventor of the air brake </Li> <Li> Girard Scott Ferguson Union Pacific Signal Design Manager, Inventor of the micron electronic timer </Li> </Ul> <Li> Grenville M. Dodge--Chief engineer of the Union Pacific Railroad and helped construct the first American transcontinental railroad . </Li>

Who owned most of the railroads in the 1800s