Who was the fur trader who pioneered frozen food in the US?

The fur trader who pioneered frozen food in the United States was Clarence Birdseye. In the early 1920s, he developed a method for quickly freezing food, which helped preserve its taste and nutritional value. Birdseye's innovations led to the establishment of the frozen food industry, revolutionizing food storage and distribution. His work laid the foundation for the modern frozen food market that we know today.