
Burkhard Mangold (Swiss, 1873-1950)

Laboratoires A. Lemettre (French, 20th Century)

Eric Rohman (Swedish, 1891 - 1949)

Antonio Arias Bernal (Mexican, 1914-1960)

Anonymous

Lester Beall (American, 1903-1969)

Piet Louwerse (Dutch, 20th Century)

Julius Klinger (Austrian, 1876 – 1942)

Jean-Baptiste Morret (French, active 1789 - 1820)

NASA (American, 1958 -)

Anonymous

Eric Rohman (Swedish, 1891 - 1949)

Laboratoires Carlier (French, 20th Century)

Edward Penfield (American, 1866 - 1925)

Paul Bürck (German, 1878-1947)

Merck (French, 20th Century)