Gladys Ludwina Anderson Emerson was an American historian, biochemist and nutritionist who researched the impact of vitamins on the body. She was the first person to isolate Vitamin E in a pure form, and won the Garvan–Olin Medal in 1952.

Caldwell is a city in Sumner County, Kansas, United States. As of the 2020 census, the population of the city was 1,025.