The answer is Levi Strauss
Levi Strauss was an American-German business person and the widely known as the inventor of the first 'indigo' blue jeans.
He was born in modern-day Germany but moved to the United States. He settled in San Francisco, at the time, a growing city where money could be made.
This namesake company, Levi's is still the world 's largest producer of blue jeans.
