
National Institutes of Health (American, 1887-)

Theo van Hoytema (Dutch, 1863-1917)

Anonymous

Anonymous

Ricky RCAF (Canadian, 20th Century)

Anonymous

Mark Rutherford (American, 19th/20th Century)

Alfred Everitt Orr (American, 1886-1927)

Eric Rohman (Swedish, 1891 - 1949)

Feodor Rojankovsky (Russian, 1891-1970)

Imp. Emile Lévy (French, 19th/20th century)

Anonymous

Laboratoires du docteur Roussel (French, 20th Century)

Joseph Gould (American, 1880 - 1935)

Anonymous

Ringling Brothers world’s greatest shows – Hotly contested races in the real Roman hippodrome (1899)
Courier Litho. Co. (American, 19th/20th Century)

Leonetto Cappiello (Italian, 1875-1942)

Anonymous

Imp. Charles Lévy (French, 19th/20th century)

John Held, Jr. (American, 1889 – 1958)

Anonymous