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Edward Eaton Mason

Dr. Edward Eaton Mason has been called the “father of obesity surgery.” He is widely regarded as the preeminent surgeon in the development and promotion of gastric restrictive surgery for morbidly obese patients. He introduced the first gastric bypass surgery in 1966 and invented the first vertical banded gastroplasty surgery (commonly called stomach stapling) in 1980.

He was both a research scientist and professor of surgery at the University of Iowa. For years he searched for ways to perfect the surgical treatment of obesity to keep the operation as low risk and simple as possible to avoid complications and side effects while controlling body weight.

He did research in 1965, assisted by Dr. Chikashki Ito from Japan, to treat peptic ulcer disease with gastric bypass surgery. From this research, he discovered that peptic ulcer disease was not helped, but his patients had significant weight loss. This led to his lifelong career in obesity surgery. $$|z + 1| \leq 2$$ ∴ ℝ