1. Energy Inventors

2. Lester Allan Pelton Born 1829 in Ohio Carpenter/millwright
1850 moved to California for Gold Rush
Died 1908

3. Inventions Water turbine called the Pelton Wheel
One of the most efficient inventions in mining

4. Charles F. Brush Born 1849 Company merged with General Electric 1892
Died 1929

5. Inventions Efficient DC dynamo used in the public electrical grid
First commercial electrical arc light
Efficient method for manufacturing lead-acid batteries
First automatically operating wind turbine for electricity generation

6. Nikola Tesla Born 1856 in Austria-Hungary Emigrated to US in 1884
Physicist
Worked for Thomas Edison
Became Edison’s enemy
Best Friend of Mark Twain
Died nearly penniless and alone 1943

7. Inventions AC Current-powers household appliances Robotics
Speedometers
Efficient electrical generators
Bladeless turbine still used today
Radio waves to detect ships (RADAR)
Fluorescent lighting
Hydroelectric power

8. Rudolf Diesel Born 1858 in France Refrigerator Engineer
Thermal Engineer
Social Theorist
Became a millionaire by 1898
Died 1913

9. Invention Patented diesel engine
Diesel engine efficiency of 75% compared to steam engine with 10% efficiency
Wanted to help the everyday person compete with big companies
Helped big companies by powering mines, oil fields, factories and transoceanic shipping