
Karl Walser (Swiss, 1877-1943)

Victor Prouvé (French, 1858-1943)

Georges de Feure (French, 1868-1943)

Julius Klinger (Austrian, 1876 – 1942)

Lucien Jonas (French, 1880-1947)

Gudmund Stenersen (Norwegian, 1863 – 1934)

Anonymous

National Institutes of Health (American, 1887-)

Adolphe Léon Willette (French, 1857 - 1926)

Adolphe Léon Willette (French, 1857 - 1926)

Anonymous
![[Bike paths]](https://mdl.artvee.com/ft/13039po.jpg)
National Institutes of Health (American, 1887-)

U.S. Information Agency (American, 1953-1999)

Feliks Wygrzywalski (Polish, 1875-1944)

Laboratoire du Neurotensyl (French, 20th Century)

Laboratoires de la Passiflorine (French, 20th Century)

Strobridge & Co. Lith. (American, 1847 -)

National Institutes of Health (American, 1887-)