
National Institutes of Health (American, 1887-)

W. R. Chapman (English, 20th Century)

Theo van Hoytema (Dutch, 1863-1917)

Anonymous

Bristow Adams (American, 1875 – 1956)

Théodore Delachaux (Swiss, 1879-1949 )

Courier Litho. Co. (American, 19th/20th Century)

Edward Penfield (American, 1866 - 1925)

Anonymous

Laboratoire d'actino-biologie (French, 20th Century)

Anonymous

Anonymous

Henryk Uziembło (Polish, 1879-1949)

Julius Klinger (Austrian, 1876 – 1942)

Rachael Romero (Australian, b. 1953)

Santiago Rusiñol (Spanish, 1861 – 1931)

Ron Jobson (English, 20th Century)

Edward Penfield (American, 1866 - 1925)

Howard Chandler Christy (American, 1873 - 1952)

Laboratoire Chantereau (French, 20th Century)

Edward Penfield (American, 1866 - 1925)