I've been teaching about eugenics for several years, but I never knew, until I read this piece by Katha Pollitt, that President Theodore Roosevelt was a major proponent.
Read a bit about this here. And here is his famous 1905 speech on American Motherhood.
Library of Congress' summary of this image:
Concerning Race Suicide: “The Idle Stork” on the left has little to do
as the upper class chooses not to make babies, whereas “The Strenuous
Stork” is being worked to death by a population explosion among the