
Debbie McKillop (American, 20th century)

Anonymous

Louis Frederick Hurd (American, 1853-1904)

Anonymous

Edmund Edel (German, 1918–1939)

National Institutes of Health (American, 1887-)

Edmund Edel (German, 1918–1939)

J.Ottmann Lith. Co. (American, 19th/20th Century)

Rachael Romero (Australian, b. 1953)

Anonymous

Anonymous

Arnold van Roessel (Dutch, 1883-1947)

Anton Reckziegel (Austrian, 1865-1936)

Yves Marevéry (French, 1888-1914)

Eric Rohman (Swedish, 1891 - 1949)

Anonymous

Laboratoires Cortial (French, 20th Century)

Daniel de Losques (French, 1880 - 1915)