Irene Weir (American, 1862–1944)

SpaceX (American, 20th/21st Century)

Anonymous

Friedel Dzubas (American, 1915-1994)

Michael David Brown (American, 1940 -)

Dietmar Winkler (German, 1938 -)

Anonymous

Nelson Greene (American, 1869-1955)

Francisque Poulbot (French, 1879-1946)

Gaston Noury (French, 1865 - 1936)

Robert Leicester Wagner (American, 1872-1942)

Anonymous

Will Bradley (American, 1868 – 1962)

Anonymous

Joseph Binder (Austrian, 1898-1972)