
author
b. 1875
A physician and popular early-20th-century health writer, she helped bring medical advice on pregnancy, infant feeding, and child care to a wide general audience. Her work blends practical guidance with the reform-minded spirit of her era.

by William S. (William Samuel) Sadler, Lena K. (Lena Kellogg) Sadler
Born Lena Celestia Kellogg on June 9, 1875, in Michigan, she became an American physician, surgeon, and obstetrician who built a public reputation around women's and children's health. She is often listed as Lena K. Sadler or Lena Kellogg Sadler, and she worked in a period when medical advice books were becoming a major way to reach families at home.
She wrote and co-wrote health books including The Mother and Her Child, and sources also describe her as a lecturer and advocate on women's health issues. Much of her published work focused on practical questions of pregnancy, infant care, feeding, and everyday family health, which helped make her a recognizable medical author as well as a practicing doctor.
Some modern biographical sources also note parts of her career that reflect the beliefs and social movements of her time, including views now seen as deeply troubling. She died on August 8, 1939, in Chicago.