Claim: Wilmatte Porter Cockerell found a red sunflower in a field in 1910 and went on to cultivate it and sell it to commercial seed companies such as Sutton & Sons and Burpee.
Evidence: In 1910 Cockerell discovered a red sunflower across the road from her home in a field. Cockerell proceeded cultivate it further, developing the mutation to the point where it could be sold to commercial seed companies. Seed companies such as Peter Henderson & Co, Sutton & Sons, and Burpee marketed the red sunflower seeds throughout the world.