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Victor Leaton Ochoa (1850 Chihuahua, Mexico – 1945 Sinaloa, Mexico) was a Mexican American revolutionary, journalist, union leader, miner, prisoner and inventor. He is best known for his invention of the Ochoaplane, the electric brake, an adjustable wrench, a pen and pencil clip and a windmill.
Stahl wrote "Estudios sobre la flora de Puerto Rico" (A study of the Puerto Rican Flora), published in six fascicles from 1883 to 1888. Copies of his plant collection with approximately 1,330 plants can be found in various botanical gardens around the world.
The Four Great Inventions are inventions from ancient China that are celebrated in Chinese culture for their historical significance and as symbols of ancient China's advanced science and technology.