Explanation:

- Option 1: Sonny Perdue

- Sonny Perdue is an American politician who served as the United States Secretary of Agriculture. He is not an inventor or scientist.

- Option 2: Eli Whitney

- Eli Whitney invented the cotton gin in 1793. This invention revolutionized the cotton industry by making it easier to separate cotton fibers from seeds.

- Option 3: Norman Borlaug

- Norman Borlaug was an American agronomist and humanitarian, known for his work in increasing agricultural production through the "Green Revolution." He did not invent the cotton gin.

- Option 4: George Washington Carver

- George Washington Carver was a scientist and inventor known for his work with peanuts and crop rotation. He did not invent the cotton gin.