And how they have influenced our lives Mr. Mitchell August 2015 Historical Engineers And how they have influenced our lives Mr. Mitchell August 2015 Engineering Your Future Great Lakes Press

Thomas Edison 1847-1931 “If we did all the things we are capable of doing, we would literally astound ourselves.” Great vision Many technological contributions Over 1,000 patents in his lifetime

Edison’s Inventions “Genius is one percent inspiration, ninety-nine percent perspiration.” and the Lightbulb Electricity Motion Pictures Phonograph

Leonardo da Vinci 1452-1519 Able to envision mechanized innovations that would one day be used Helicopters, tanks, artillery Made observations of the world around him

da Vinci’s Inventions Tank Aerial Screw Catapult

Isambard Kingdom Brunel 1806-1859 Designed & built wide range of projects, including railways, bridges, & ships Used logic & analysis to reshape the mechanical & structural engineering of his time Engineering Your Future Great Lakes Press

Charles Proteus Steinmetz 1865-1923 “No man really becomes a fool until he stops asking questions.” Pioneer in the field of electrical engineering Alternating currents Engineering Your Future Great Lakes Press

Henry Ford 1863-1947 Learned everything he could about engines Designed his first vehicle, the Quadricycle Founded Ford Motor Company Introduced “everyman’s car” or Model T Creator of the Assembly Line

Dr. Robert Goddard 1882-1945 Invented the process used for liquid fueled rockets His designs were basis for those that launch astronauts into space, deliver warheads to distant countries, & carry communication satellites into orbit

Wilbur & Orville Wright Designed first powered flying model Experiments leading to this piloted flight & practices they employed were responsible for their success Orville 1871-1948 Wilber 1867-1912

Wilbur & Orville Wright Multiple attempts to achieve sustained flight. No engineering degree Video: Inventing Flight Dec 17th, 1903 Kill Devil Hills, near Kitty Hawk, NC The Wright’s Engineer Journal Shows diagram, data, and first circle flight on Sep 20th, 1904

Grace Murray Hopper 1906 - 1992 A computer engineering & Rear Admiral in US Navy developed first computer compiler & computer language COBOL Popularized term “bug” after discovering that a moth had jammed the workings of an early computer Rear Admiral Grace M. Hopper, USN, Ph.D.

Joseph B. Strauss 1870-1938 Construction of the Golden Gate bridge At its opening, it held the world record for the longest span of 1,280 meters The total length of the cables is long enough to circle the entire world 3 times!

Leo Szilard 1898-1964 Generated the first controlled nuclear chain reaction Credited with building the first atomic bomb, but he advocated against its use Made contributions to political science, nuclear physics, statistical mechanics, genetics, & molecular biology