National Institutes of Health (American, 1887-)
Centers for Disease Control and Prevention (American, 1946-)
U.S. Dept. of Transportation (American, 1967-)
National Institutes of Health (American, 1887-)
U.S.. Department of Health & Human Services (American, 1953-)
Anonymous
National Institutes of Health (American, 1887-)
Walter Riemer (German, 1896-?)
Herbert Bayer (American, 1900-1985)
Anonymous
Matthew Liebowitz (American, 1918-1974)
National Institutes of Health (American, 1887-)
U.S.. Department of Health & Human Services (American, 1953-)
U.S.. Department of Health & Human Services (American, 1953-)
National Institutes of Health (American, 1887-)
Willard Frederic Elmes (American, 1900-1956)
Anonymous
National Institutes of Health (American, 1887-)