1852 - 1943
John Harvey Kellogg was an American physician, nutritionist, and inventor, born on February 26, 1852. He is best known for developing a range of health foods and promoting vegetarianism, as well as co-inventing cornflakes as part of his work at the Battle Creek Sanitarium in Michigan, where he advocated for health reform and wellness. His methods and beliefs influenced dietary habits in the early 20th century and contributed significantly to the breakfast cereal industry.