An american engineer born February 14, 1859 observed a wheel as a student located where?
George Washington Gale Ferris Jr. George Washington Gale Ferris Jr. (February 14, 1859 – November 22, 1896) was an American engineer. He is mostly known for creating the original Ferris Wheel for the 1893 Chicago World's Columbian Exposition.
Lester Allan Pelton Lester Allen Pelton (September 5, 1829 – March 14, 1908) was an American inventor who contributed significantly to the development of hydroelectricity and hydropower in the old West and world-wide. In the late 1870s, he invented the " Pelton water wheel", at that time the most efficient design of the impulse water turbine. Recognized as one of the fathers of hydroelectric power, he was awarded the Elliott Cresson Medal during his lifetime and recently was inducted into the National Inventors Hall of Fame.