Iowa's latest billionaire, Harry Stine of Stine Seed, has a net worth of $11.2bn, per Forbes.

Iowa's latest billionaire, Harry Stine of Stine Seed, has a net worth of $11.2bn, per Forbes. Stine, who began farming aged 5, specialises in seed genetics, licensing to firms like Monsanto. Previously, Iowa's wealthiest individual was Dennis Albaugh, founder of Albaugh LLC, with a net worth of $1.4bn in 2016, known for his company's off-patent agricultural crop protection products and classic car collection.