
Richard Nicolaüs Roland Holst (Dutch, 1868 - 1938)

National Institutes of Health (American, 1887-)

Imp. Chaix (French, 1845 - 1965)

O'Connell (English, 20th Century)

Rudolf Junk (Austrian, 1880-1943)

Laboratoire Lobica (French, 20th Century)

Anonymous

Emmanuel Barcet (French, 1870-1940)

Winold Reiss (American, 1886-1953)

Anonymous

Johannes Handschin (Swiss, 1899-1948)

Harold Pym (English, active 1930-1970s)

Lucien Lévy-Dhurmer (French, 1865 – 1953)

Leonard Karsakov (American, 20th Century)

Anonymous

Henry-Claudius Forestier (Swiss, 1874-1922)

Laboratoires Brisson (French, 20th Century)

Anonymous

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

René Georges Hermann-Paul (French, 1874–1940)